Home / 10,491.52-15,731.85-3,095.03

Finding the Fourth Proportional to 10,491.52, 15,731.85 and 3,095.03

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Solution

The fourth proportional to 10,491.52, 15,731.85 and 3,095.03 is: 4,640.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.52 : 15,731.85 = 3,095.03 : x
  2. Step 2: Convert to fraction form
    10,491.52/15,731.85 = 3,095.03/x
  3. Step 3: Cross multiply
    10,491.52x = 15,731.85 × 3,095.03
  4. Step 4: Simplify right side
    10,491.52x = 48,690,547.71
  5. Step 5: Solve for x
    x = 48,690,547.71/10,491.52
  6. Step 6: Final answer
    x = 4,640.94

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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.