Home / 7,432.74-10,251.81-6,311.91

Finding the Fourth Proportional to 7,432.74, 10,251.81 and 6,311.91

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Solution

The fourth proportional to 7,432.74, 10,251.81 and 6,311.91 is: 8,705.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.74 : 10,251.81 = 6,311.91 : x
  2. Step 2: Convert to fraction form
    7,432.74/10,251.81 = 6,311.91/x
  3. Step 3: Cross multiply
    7,432.74x = 10,251.81 × 6,311.91
  4. Step 4: Simplify right side
    7,432.74x = 64,708,502.06
  5. Step 5: Solve for x
    x = 64,708,502.06/7,432.74
  6. Step 6: Final answer
    x = 8,705.87

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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.