Home / 11,377.40-17,066.10-10,502.60

Finding the Fourth Proportional to 11,377.40, 17,066.10 and 10,502.60

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Solution

The fourth proportional to 11,377.40, 17,066.10 and 10,502.60 is: 15,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377.40 : 17,066.10 = 10,502.60 : x
  2. Step 2: Convert to fraction form
    11,377.40/17,066.10 = 10,502.60/x
  3. Step 3: Cross multiply
    11,377.40x = 17,066.10 × 10,502.60
  4. Step 4: Simplify right side
    11,377.40x = 179,238,421.86
  5. Step 5: Solve for x
    x = 179,238,421.86/11,377.40
  6. Step 6: Final answer
    x = 15,753.90

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1.5x scale

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.