Home / 9,232.32-12,740.80-5,455.68

Finding the Fourth Proportional to 9,232.32, 12,740.80 and 5,455.68

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Solution

The fourth proportional to 9,232.32, 12,740.80 and 5,455.68 is: 7,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,232.32 : 12,740.80 = 5,455.68 : x
  2. Step 2: Convert to fraction form
    9,232.32/12,740.80 = 5,455.68/x
  3. Step 3: Cross multiply
    9,232.32x = 12,740.80 × 5,455.68
  4. Step 4: Simplify right side
    9,232.32x = 69,509,727.74
  5. Step 5: Solve for x
    x = 69,509,727.74/9,232.32
  6. Step 6: Final answer
    x = 7,528.96

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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.