Home / 9,275.81-13,915.53-3,432.47

Finding the Fourth Proportional to 9,275.81, 13,915.53 and 3,432.47

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Solution

The fourth proportional to 9,275.81, 13,915.53 and 3,432.47 is: 5,149.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275.81 : 13,915.53 = 3,432.47 : x
  2. Step 2: Convert to fraction form
    9,275.81/13,915.53 = 3,432.47/x
  3. Step 3: Cross multiply
    9,275.81x = 13,915.53 × 3,432.47
  4. Step 4: Simplify right side
    9,275.81x = 47,764,569.68
  5. Step 5: Solve for x
    x = 47,764,569.68/9,275.81
  6. Step 6: Final answer
    x = 5,149.37

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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.