Home / 6,113.69-8,437.10-3,425.02

Finding the Fourth Proportional to 6,113.69, 8,437.10 and 3,425.02

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Solution

The fourth proportional to 6,113.69, 8,437.10 and 3,425.02 is: 4,726.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.69 : 8,437.10 = 3,425.02 : x
  2. Step 2: Convert to fraction form
    6,113.69/8,437.10 = 3,425.02/x
  3. Step 3: Cross multiply
    6,113.69x = 8,437.10 × 3,425.02
  4. Step 4: Simplify right side
    6,113.69x = 28,897,198.02
  5. Step 5: Solve for x
    x = 28,897,198.02/6,113.69
  6. Step 6: Final answer
    x = 4,726.64

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Half scale
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Double scale
Find fourth proportional to 6,114.69, 8,438.48 and 3,426.02
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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.