Home / 9,909.53-13,676.55-6,133.91

Finding the Fourth Proportional to 9,909.53, 13,676.55 and 6,133.91

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Solution

The fourth proportional to 9,909.53, 13,676.55 and 6,133.91 is: 8,465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.53 : 13,676.55 = 6,133.91 : x
  2. Step 2: Convert to fraction form
    9,909.53/13,676.55 = 6,133.91/x
  3. Step 3: Cross multiply
    9,909.53x = 13,676.55 × 6,133.91
  4. Step 4: Simplify right side
    9,909.53x = 83,890,726.81
  5. Step 5: Solve for x
    x = 83,890,726.81/9,909.53
  6. Step 6: Final answer
    x = 8,465.66

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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.