Home / 10,747.91-16,130.75-5,486.81

Finding the Fourth Proportional to 10,747.91, 16,130.75 and 5,486.81

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Solution

The fourth proportional to 10,747.91, 16,130.75 and 5,486.81 is: 8,234.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.91 : 16,130.75 = 5,486.81 : x
  2. Step 2: Convert to fraction form
    10,747.91/16,130.75 = 5,486.81/x
  3. Step 3: Cross multiply
    10,747.91x = 16,130.75 × 5,486.81
  4. Step 4: Simplify right side
    10,747.91x = 88,506,252.32
  5. Step 5: Solve for x
    x = 88,506,252.32/10,747.91
  6. Step 6: Final answer
    x = 8,234.74

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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.