Home / 10,385.32-14,332.58-5,910.43

Finding the Fourth Proportional to 10,385.32, 14,332.58 and 5,910.43

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Solution

The fourth proportional to 10,385.32, 14,332.58 and 5,910.43 is: 8,156.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.32 : 14,332.58 = 5,910.43 : x
  2. Step 2: Convert to fraction form
    10,385.32/14,332.58 = 5,910.43/x
  3. Step 3: Cross multiply
    10,385.32x = 14,332.58 × 5,910.43
  4. Step 4: Simplify right side
    10,385.32x = 84,711,681.26
  5. Step 5: Solve for x
    x = 84,711,681.26/10,385.32
  6. Step 6: Final answer
    x = 8,156.87

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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.