Home / 9,104.45-12,564.27-5,125.55

Finding the Fourth Proportional to 9,104.45, 12,564.27 and 5,125.55

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Solution

The fourth proportional to 9,104.45, 12,564.27 and 5,125.55 is: 7,073.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,104.45 : 12,564.27 = 5,125.55 : x
  2. Step 2: Convert to fraction form
    9,104.45/12,564.27 = 5,125.55/x
  3. Step 3: Cross multiply
    9,104.45x = 12,564.27 × 5,125.55
  4. Step 4: Simplify right side
    9,104.45x = 64,398,731.28
  5. Step 5: Solve for x
    x = 64,398,731.28/9,104.45
  6. Step 6: Final answer
    x = 7,073.33

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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.