Home / 6,319.89-9,459.18-5,713.61

Finding the Fourth Proportional to 6,319.89, 9,459.18 and 5,713.61

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Solution

The fourth proportional to 6,319.89, 9,459.18 and 5,713.61 is: 8,551.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.89 : 9,459.18 = 5,713.61 : x
  2. Step 2: Convert to fraction form
    6,319.89/9,459.18 = 5,713.61/x
  3. Step 3: Cross multiply
    6,319.89x = 9,459.18 × 5,713.61
  4. Step 4: Simplify right side
    6,319.89x = 54,046,018.14
  5. Step 5: Solve for x
    x = 54,046,018.14/6,319.89
  6. Step 6: Final answer
    x = 8,551.73

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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.