Home / 12,503.28-17,254.76-7,199.12

Finding the Fourth Proportional to 12,503.28, 17,254.76 and 7,199.12

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Solution

The fourth proportional to 12,503.28, 17,254.76 and 7,199.12 is: 9,934.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.28 : 17,254.76 = 7,199.12 : x
  2. Step 2: Convert to fraction form
    12,503.28/17,254.76 = 7,199.12/x
  3. Step 3: Cross multiply
    12,503.28x = 17,254.76 × 7,199.12
  4. Step 4: Simplify right side
    12,503.28x = 124,219,087.81
  5. Step 5: Solve for x
    x = 124,219,087.81/12,503.28
  6. Step 6: Final answer
    x = 9,934.92

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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.