Home / 10,938.64-15,092.74-6,225.52

Finding the Fourth Proportional to 10,938.64, 15,092.74 and 6,225.52

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Solution

The fourth proportional to 10,938.64, 15,092.74 and 6,225.52 is: 8,589.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.64 : 15,092.74 = 6,225.52 : x
  2. Step 2: Convert to fraction form
    10,938.64/15,092.74 = 6,225.52/x
  3. Step 3: Cross multiply
    10,938.64x = 15,092.74 × 6,225.52
  4. Step 4: Simplify right side
    10,938.64x = 93,960,154.72
  5. Step 5: Solve for x
    x = 93,960,154.72/10,938.64
  6. Step 6: Final answer
    x = 8,589.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.