Home / 11,254.43-15,532.97-8,574.50

Finding the Fourth Proportional to 11,254.43, 15,532.97 and 8,574.50

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Solution

The fourth proportional to 11,254.43, 15,532.97 and 8,574.50 is: 11,834.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.43 : 15,532.97 = 8,574.50 : x
  2. Step 2: Convert to fraction form
    11,254.43/15,532.97 = 8,574.50/x
  3. Step 3: Cross multiply
    11,254.43x = 15,532.97 × 8,574.50
  4. Step 4: Simplify right side
    11,254.43x = 133,187,330.73
  5. Step 5: Solve for x
    x = 133,187,330.73/11,254.43
  6. Step 6: Final answer
    x = 11,834.22

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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.