Home / 11,508.54-15,881.40-6,472.96

Finding the Fourth Proportional to 11,508.54, 15,881.40 and 6,472.96

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Solution

The fourth proportional to 11,508.54, 15,881.40 and 6,472.96 is: 8,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508.54 : 15,881.40 = 6,472.96 : x
  2. Step 2: Convert to fraction form
    11,508.54/15,881.40 = 6,472.96/x
  3. Step 3: Cross multiply
    11,508.54x = 15,881.40 × 6,472.96
  4. Step 4: Simplify right side
    11,508.54x = 102,799,666.94
  5. Step 5: Solve for x
    x = 102,799,666.94/11,508.54
  6. Step 6: Final answer
    x = 8,932.47

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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.