Home / 11,122.60-15,349.58-6,086.72

Finding the Fourth Proportional to 11,122.60, 15,349.58 and 6,086.72

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Solution

The fourth proportional to 11,122.60, 15,349.58 and 6,086.72 is: 8,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.60 : 15,349.58 = 6,086.72 : x
  2. Step 2: Convert to fraction form
    11,122.60/15,349.58 = 6,086.72/x
  3. Step 3: Cross multiply
    11,122.60x = 15,349.58 × 6,086.72
  4. Step 4: Simplify right side
    11,122.60x = 93,428,595.58
  5. Step 5: Solve for x
    x = 93,428,595.58/11,122.60
  6. Step 6: Final answer
    x = 8,399.89

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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.