Home / 11,432.28-15,779.01-6,957.47

Finding the Fourth Proportional to 11,432.28, 15,779.01 and 6,957.47

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Solution

The fourth proportional to 11,432.28, 15,779.01 and 6,957.47 is: 9,602.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.28 : 15,779.01 = 6,957.47 : x
  2. Step 2: Convert to fraction form
    11,432.28/15,779.01 = 6,957.47/x
  3. Step 3: Cross multiply
    11,432.28x = 15,779.01 × 6,957.47
  4. Step 4: Simplify right side
    11,432.28x = 109,781,988.70
  5. Step 5: Solve for x
    x = 109,781,988.70/11,432.28
  6. Step 6: Final answer
    x = 9,602.81

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1.5x scale

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.