Home / 10,712.10-16,061.40-4,476.45

Finding the Fourth Proportional to 10,712.10, 16,061.40 and 4,476.45

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Solution

The fourth proportional to 10,712.10, 16,061.40 and 4,476.45 is: 6,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.10 : 16,061.40 = 4,476.45 : x
  2. Step 2: Convert to fraction form
    10,712.10/16,061.40 = 4,476.45/x
  3. Step 3: Cross multiply
    10,712.10x = 16,061.40 × 4,476.45
  4. Step 4: Simplify right side
    10,712.10x = 71,898,054.03
  5. Step 5: Solve for x
    x = 71,898,054.03/10,712.10
  6. Step 6: Final answer
    x = 6,711.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.