Home / 11,225.52-15,490.38-6,508.92

Finding the Fourth Proportional to 11,225.52, 15,490.38 and 6,508.92

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Solution

The fourth proportional to 11,225.52, 15,490.38 and 6,508.92 is: 8,981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.52 : 15,490.38 = 6,508.92 : x
  2. Step 2: Convert to fraction form
    11,225.52/15,490.38 = 6,508.92/x
  3. Step 3: Cross multiply
    11,225.52x = 15,490.38 × 6,508.92
  4. Step 4: Simplify right side
    11,225.52x = 100,825,644.19
  5. Step 5: Solve for x
    x = 100,825,644.19/11,225.52
  6. Step 6: Final answer
    x = 8,981.82

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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.