Home / 11,167.32-15,410.88-6,451.59

Finding the Fourth Proportional to 11,167.32, 15,410.88 and 6,451.59

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Solution

The fourth proportional to 11,167.32, 15,410.88 and 6,451.59 is: 8,903.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.32 : 15,410.88 = 6,451.59 : x
  2. Step 2: Convert to fraction form
    11,167.32/15,410.88 = 6,451.59/x
  3. Step 3: Cross multiply
    11,167.32x = 15,410.88 × 6,451.59
  4. Step 4: Simplify right side
    11,167.32x = 99,424,679.30
  5. Step 5: Solve for x
    x = 99,424,679.30/11,167.32
  6. Step 6: Final answer
    x = 8,903.18

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Half scale
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Double scale
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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.