Home / 10,927.91-16,390.96-6,542.17

Finding the Fourth Proportional to 10,927.91, 16,390.96 and 6,542.17

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Solution

The fourth proportional to 10,927.91, 16,390.96 and 6,542.17 is: 9,812.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.91 : 16,390.96 = 6,542.17 : x
  2. Step 2: Convert to fraction form
    10,927.91/16,390.96 = 6,542.17/x
  3. Step 3: Cross multiply
    10,927.91x = 16,390.96 × 6,542.17
  4. Step 4: Simplify right side
    10,927.91x = 107,232,389.45
  5. Step 5: Solve for x
    x = 107,232,389.45/10,927.91
  6. Step 6: Final answer
    x = 9,812.71

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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.