Home / 12,527.24-17,287.36-6,938.12

Finding the Fourth Proportional to 12,527.24, 17,287.36 and 6,938.12

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Solution

The fourth proportional to 12,527.24, 17,287.36 and 6,938.12 is: 9,574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.24 : 17,287.36 = 6,938.12 : x
  2. Step 2: Convert to fraction form
    12,527.24/17,287.36 = 6,938.12/x
  3. Step 3: Cross multiply
    12,527.24x = 17,287.36 × 6,938.12
  4. Step 4: Simplify right side
    12,527.24x = 119,941,778.16
  5. Step 5: Solve for x
    x = 119,941,778.16/12,527.24
  6. Step 6: Final answer
    x = 9,574.48

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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.