Home / 9,103.36-12,566.51-6,120.92

Finding the Fourth Proportional to 9,103.36, 12,566.51 and 6,120.92

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Solution

The fourth proportional to 9,103.36, 12,566.51 and 6,120.92 is: 8,449.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.36 : 12,566.51 = 6,120.92 : x
  2. Step 2: Convert to fraction form
    9,103.36/12,566.51 = 6,120.92/x
  3. Step 3: Cross multiply
    9,103.36x = 12,566.51 × 6,120.92
  4. Step 4: Simplify right side
    9,103.36x = 76,918,602.39
  5. Step 5: Solve for x
    x = 76,918,602.39/9,103.36
  6. Step 6: Final answer
    x = 8,449.47

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Half scale
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Double scale
Find fourth proportional to 9,104.36, 12,567.89 and 6,121.92
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.