Home / 12,572.25-17,348.40-7,268.76

Finding the Fourth Proportional to 12,572.25, 17,348.40 and 7,268.76

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Solution

The fourth proportional to 12,572.25, 17,348.40 and 7,268.76 is: 10,030.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.25 : 17,348.40 = 7,268.76 : x
  2. Step 2: Convert to fraction form
    12,572.25/17,348.40 = 7,268.76/x
  3. Step 3: Cross multiply
    12,572.25x = 17,348.40 × 7,268.76
  4. Step 4: Simplify right side
    12,572.25x = 126,101,355.98
  5. Step 5: Solve for x
    x = 126,101,355.98/12,572.25
  6. Step 6: Final answer
    x = 10,030.13

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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.