Home / 11,114.38-15,337.06-6,078.49

Finding the Fourth Proportional to 11,114.38, 15,337.06 and 6,078.49

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Solution

The fourth proportional to 11,114.38, 15,337.06 and 6,078.49 is: 8,387.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.38 : 15,337.06 = 6,078.49 : x
  2. Step 2: Convert to fraction form
    11,114.38/15,337.06 = 6,078.49/x
  3. Step 3: Cross multiply
    11,114.38x = 15,337.06 × 6,078.49
  4. Step 4: Simplify right side
    11,114.38x = 93,226,232.76
  5. Step 5: Solve for x
    x = 93,226,232.76/11,114.38
  6. Step 6: Final answer
    x = 8,387.89

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1.5x scale

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.