Home / 10,319.67-15,475.58-4,392.82

Finding the Fourth Proportional to 10,319.67, 15,475.58 and 4,392.82

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Solution

The fourth proportional to 10,319.67, 15,475.58 and 4,392.82 is: 6,587.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.67 : 15,475.58 = 4,392.82 : x
  2. Step 2: Convert to fraction form
    10,319.67/15,475.58 = 4,392.82/x
  3. Step 3: Cross multiply
    10,319.67x = 15,475.58 × 4,392.82
  4. Step 4: Simplify right side
    10,319.67x = 67,981,441.78
  5. Step 5: Solve for x
    x = 67,981,441.78/10,319.67
  6. Step 6: Final answer
    x = 6,587.56

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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.