Home / 10,765.86-16,156.17-4,192.08

Finding the Fourth Proportional to 10,765.86, 16,156.17 and 4,192.08

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Solution

The fourth proportional to 10,765.86, 16,156.17 and 4,192.08 is: 6,290.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.86 : 16,156.17 = 4,192.08 : x
  2. Step 2: Convert to fraction form
    10,765.86/16,156.17 = 4,192.08/x
  3. Step 3: Cross multiply
    10,765.86x = 16,156.17 × 4,192.08
  4. Step 4: Simplify right side
    10,765.86x = 67,727,957.13
  5. Step 5: Solve for x
    x = 67,727,957.13/10,765.86
  6. Step 6: Final answer
    x = 6,290.99

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1.5x scale

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.