Home / 10,491.08-15,733.28-4,252.66

Finding the Fourth Proportional to 10,491.08, 15,733.28 and 4,252.66

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Solution

The fourth proportional to 10,491.08, 15,733.28 and 4,252.66 is: 6,377.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.08 : 15,733.28 = 4,252.66 : x
  2. Step 2: Convert to fraction form
    10,491.08/15,733.28 = 4,252.66/x
  3. Step 3: Cross multiply
    10,491.08x = 15,733.28 × 4,252.66
  4. Step 4: Simplify right side
    10,491.08x = 66,908,269.26
  5. Step 5: Solve for x
    x = 66,908,269.26/10,491.08
  6. Step 6: Final answer
    x = 6,377.64

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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.