Home / 11,140.72-16,711.10-4,565.72

Finding the Fourth Proportional to 11,140.72, 16,711.10 and 4,565.72

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Solution

The fourth proportional to 11,140.72, 16,711.10 and 4,565.72 is: 6,848.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.72 : 16,711.10 = 4,565.72 : x
  2. Step 2: Convert to fraction form
    11,140.72/16,711.10 = 4,565.72/x
  3. Step 3: Cross multiply
    11,140.72x = 16,711.10 × 4,565.72
  4. Step 4: Simplify right side
    11,140.72x = 76,298,180.66
  5. Step 5: Solve for x
    x = 76,298,180.66/11,140.72
  6. Step 6: Final answer
    x = 6,848.59

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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.