Home / 11,343.10-15,657.55-6,565.19

Finding the Fourth Proportional to 11,343.10, 15,657.55 and 6,565.19

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Solution

The fourth proportional to 11,343.10, 15,657.55 and 6,565.19 is: 9,062.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.10 : 15,657.55 = 6,565.19 : x
  2. Step 2: Convert to fraction form
    11,343.10/15,657.55 = 6,565.19/x
  3. Step 3: Cross multiply
    11,343.10x = 15,657.55 × 6,565.19
  4. Step 4: Simplify right side
    11,343.10x = 102,794,790.68
  5. Step 5: Solve for x
    x = 102,794,790.68/11,343.10
  6. Step 6: Final answer
    x = 9,062.32

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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.