Home / 10,807.16-14,913.92-6,331.70

Finding the Fourth Proportional to 10,807.16, 14,913.92 and 6,331.70

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Solution

The fourth proportional to 10,807.16, 14,913.92 and 6,331.70 is: 8,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,807.16 : 14,913.92 = 6,331.70 : x
  2. Step 2: Convert to fraction form
    10,807.16/14,913.92 = 6,331.70/x
  3. Step 3: Cross multiply
    10,807.16x = 14,913.92 × 6,331.70
  4. Step 4: Simplify right side
    10,807.16x = 94,430,520.38
  5. Step 5: Solve for x
    x = 94,430,520.38/10,807.16
  6. Step 6: Final answer
    x = 8,737.78

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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.