Home / 10,310.97-15,459.01-4,384.61

Finding the Fourth Proportional to 10,310.97, 15,459.01 and 4,384.61

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Solution

The fourth proportional to 10,310.97, 15,459.01 and 4,384.61 is: 6,573.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310.97 : 15,459.01 = 4,384.61 : x
  2. Step 2: Convert to fraction form
    10,310.97/15,459.01 = 4,384.61/x
  3. Step 3: Cross multiply
    10,310.97x = 15,459.01 × 4,384.61
  4. Step 4: Simplify right side
    10,310.97x = 67,781,729.84
  5. Step 5: Solve for x
    x = 67,781,729.84/10,310.97
  6. Step 6: Final answer
    x = 6,573.75

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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.