Home / 12,503.20-17,254.80-7,199.08

Finding the Fourth Proportional to 12,503.20, 17,254.80 and 7,199.08

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Solution

The fourth proportional to 12,503.20, 17,254.80 and 7,199.08 is: 9,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.20 : 17,254.80 = 7,199.08 : x
  2. Step 2: Convert to fraction form
    12,503.20/17,254.80 = 7,199.08/x
  3. Step 3: Cross multiply
    12,503.20x = 17,254.80 × 7,199.08
  4. Step 4: Simplify right side
    12,503.20x = 124,218,685.58
  5. Step 5: Solve for x
    x = 124,218,685.58/12,503.20
  6. Step 6: Final answer
    x = 9,934.95

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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.