Home / 10,703.39-14,774.59-6,454.62

Finding the Fourth Proportional to 10,703.39, 14,774.59 and 6,454.62

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Solution

The fourth proportional to 10,703.39, 14,774.59 and 6,454.62 is: 8,909.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,703.39 : 14,774.59 = 6,454.62 : x
  2. Step 2: Convert to fraction form
    10,703.39/14,774.59 = 6,454.62/x
  3. Step 3: Cross multiply
    10,703.39x = 14,774.59 × 6,454.62
  4. Step 4: Simplify right side
    10,703.39x = 95,364,425.43
  5. Step 5: Solve for x
    x = 95,364,425.43/10,703.39
  6. Step 6: Final answer
    x = 8,909.74

Related Problems

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Half scale
Find fourth proportional to 21,406.77, 29,549.18 and 12,909.25
Double scale
Find fourth proportional to 10,704.39, 14,775.97 and 6,455.62
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.