Home / 9,932.91-14,909.09-4,742.43

Finding the Fourth Proportional to 9,932.91, 14,909.09 and 4,742.43

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Solution

The fourth proportional to 9,932.91, 14,909.09 and 4,742.43 is: 7,118.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,932.91 : 14,909.09 = 4,742.43 : x
  2. Step 2: Convert to fraction form
    9,932.91/14,909.09 = 4,742.43/x
  3. Step 3: Cross multiply
    9,932.91x = 14,909.09 × 4,742.43
  4. Step 4: Simplify right side
    9,932.91x = 70,705,291.98
  5. Step 5: Solve for x
    x = 70,705,291.98/9,932.91
  6. Step 6: Final answer
    x = 7,118.29

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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.