Home / 7,474.50-10,315.42-4,330.69

Finding the Fourth Proportional to 7,474.50, 10,315.42 and 4,330.69

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Solution

The fourth proportional to 7,474.50, 10,315.42 and 4,330.69 is: 5,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.50 : 10,315.42 = 4,330.69 : x
  2. Step 2: Convert to fraction form
    7,474.50/10,315.42 = 4,330.69/x
  3. Step 3: Cross multiply
    7,474.50x = 10,315.42 × 4,330.69
  4. Step 4: Simplify right side
    7,474.50x = 44,672,849.62
  5. Step 5: Solve for x
    x = 44,672,849.62/7,474.50
  6. Step 6: Final answer
    x = 5,976.70

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Half scale
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Double scale
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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.