Home / 9,088.12-12,540.92-5,108.48

Finding the Fourth Proportional to 9,088.12, 12,540.92 and 5,108.48

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Solution

The fourth proportional to 9,088.12, 12,540.92 and 5,108.48 is: 7,049.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,088.12 : 12,540.92 = 5,108.48 : x
  2. Step 2: Convert to fraction form
    9,088.12/12,540.92 = 5,108.48/x
  3. Step 3: Cross multiply
    9,088.12x = 12,540.92 × 5,108.48
  4. Step 4: Simplify right side
    9,088.12x = 64,065,039.00
  5. Step 5: Solve for x
    x = 64,065,039.00/9,088.12
  6. Step 6: Final answer
    x = 7,049.32

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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.