Home / 12,463.95-17,201.70-7,087.19

Finding the Fourth Proportional to 12,463.95, 17,201.70 and 7,087.19

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Solution

The fourth proportional to 12,463.95, 17,201.70 and 7,087.19 is: 9,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463.95 : 17,201.70 = 7,087.19 : x
  2. Step 2: Convert to fraction form
    12,463.95/17,201.70 = 7,087.19/x
  3. Step 3: Cross multiply
    12,463.95x = 17,201.70 × 7,087.19
  4. Step 4: Simplify right side
    12,463.95x = 121,911,759.23
  5. Step 5: Solve for x
    x = 121,911,759.23/12,463.95
  6. Step 6: Final answer
    x = 9,781.15

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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.