Home / 11,232.08-15,520.76-9,616.68

Finding the Fourth Proportional to 11,232.08, 15,520.76 and 9,616.68

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Solution

The fourth proportional to 11,232.08, 15,520.76 and 9,616.68 is: 13,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.08 : 15,520.76 = 9,616.68 : x
  2. Step 2: Convert to fraction form
    11,232.08/15,520.76 = 9,616.68/x
  3. Step 3: Cross multiply
    11,232.08x = 15,520.76 × 9,616.68
  4. Step 4: Simplify right side
    11,232.08x = 149,258,206.32
  5. Step 5: Solve for x
    x = 149,258,206.32/11,232.08
  6. Step 6: Final answer
    x = 13,288.57

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Half scale
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Double scale
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Similar ratio
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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.