Home / 7,332.25-10,118.52-4,188.43

Finding the Fourth Proportional to 7,332.25, 10,118.52 and 4,188.43

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Solution

The fourth proportional to 7,332.25, 10,118.52 and 4,188.43 is: 5,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.25 : 10,118.52 = 4,188.43 : x
  2. Step 2: Convert to fraction form
    7,332.25/10,118.52 = 4,188.43/x
  3. Step 3: Cross multiply
    7,332.25x = 10,118.52 × 4,188.43
  4. Step 4: Simplify right side
    7,332.25x = 42,380,712.72
  5. Step 5: Solve for x
    x = 42,380,712.72/7,332.25
  6. Step 6: Final answer
    x = 5,780.04

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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.