Home / 9,419.42-14,119.10-4,478.61

Finding the Fourth Proportional to 9,419.42, 14,119.10 and 4,478.61

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Solution

The fourth proportional to 9,419.42, 14,119.10 and 4,478.61 is: 6,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419.42 : 14,119.10 = 4,478.61 : x
  2. Step 2: Convert to fraction form
    9,419.42/14,119.10 = 4,478.61/x
  3. Step 3: Cross multiply
    9,419.42x = 14,119.10 × 4,478.61
  4. Step 4: Simplify right side
    9,419.42x = 63,233,920.06
  5. Step 5: Solve for x
    x = 63,233,920.06/9,419.42
  6. Step 6: Final answer
    x = 6,713.15

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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.