Home / 11,432.61-17,148.90-7,508.64

Finding the Fourth Proportional to 11,432.61, 17,148.90 and 7,508.64

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Solution

The fourth proportional to 11,432.61, 17,148.90 and 7,508.64 is: 11,262.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.61 : 17,148.90 = 7,508.64 : x
  2. Step 2: Convert to fraction form
    11,432.61/17,148.90 = 7,508.64/x
  3. Step 3: Cross multiply
    11,432.61x = 17,148.90 × 7,508.64
  4. Step 4: Simplify right side
    11,432.61x = 128,764,916.50
  5. Step 5: Solve for x
    x = 128,764,916.50/11,432.61
  6. Step 6: Final answer
    x = 11,262.95

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1.5x scale

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.