Home / 11,508.16-15,881.34-6,472.60

Finding the Fourth Proportional to 11,508.16, 15,881.34 and 6,472.60

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Solution

The fourth proportional to 11,508.16, 15,881.34 and 6,472.60 is: 8,932.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508.16 : 15,881.34 = 6,472.60 : x
  2. Step 2: Convert to fraction form
    11,508.16/15,881.34 = 6,472.60/x
  3. Step 3: Cross multiply
    11,508.16x = 15,881.34 × 6,472.60
  4. Step 4: Simplify right side
    11,508.16x = 102,793,561.28
  5. Step 5: Solve for x
    x = 102,793,561.28/11,508.16
  6. Step 6: Final answer
    x = 8,932.23

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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.