Home / 7,521.32-11,292.92-5,553.02

Finding the Fourth Proportional to 7,521.32, 11,292.92 and 5,553.02

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Solution

The fourth proportional to 7,521.32, 11,292.92 and 5,553.02 is: 8,337.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.32 : 11,292.92 = 5,553.02 : x
  2. Step 2: Convert to fraction form
    7,521.32/11,292.92 = 5,553.02/x
  3. Step 3: Cross multiply
    7,521.32x = 11,292.92 × 5,553.02
  4. Step 4: Simplify right side
    7,521.32x = 62,709,831.91
  5. Step 5: Solve for x
    x = 62,709,831.91/7,521.32
  6. Step 6: Final answer
    x = 8,337.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.