Home / 10,622.41-15,915.89-7,497.29

Finding the Fourth Proportional to 10,622.41, 15,915.89 and 7,497.29

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Solution

The fourth proportional to 10,622.41, 15,915.89 and 7,497.29 is: 11,233.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622.41 : 15,915.89 = 7,497.29 : x
  2. Step 2: Convert to fraction form
    10,622.41/15,915.89 = 7,497.29/x
  3. Step 3: Cross multiply
    10,622.41x = 15,915.89 × 7,497.29
  4. Step 4: Simplify right side
    10,622.41x = 119,326,101.47
  5. Step 5: Solve for x
    x = 119,326,101.47/10,622.41
  6. Step 6: Final answer
    x = 11,233.43

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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.