Home / 12,473.95-17,214.60-7,170.43

Finding the Fourth Proportional to 12,473.95, 17,214.60 and 7,170.43

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Solution

The fourth proportional to 12,473.95, 17,214.60 and 7,170.43 is: 9,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.95 : 17,214.60 = 7,170.43 : x
  2. Step 2: Convert to fraction form
    12,473.95/17,214.60 = 7,170.43/x
  3. Step 3: Cross multiply
    12,473.95x = 17,214.60 × 7,170.43
  4. Step 4: Simplify right side
    12,473.95x = 123,436,084.28
  5. Step 5: Solve for x
    x = 123,436,084.28/12,473.95
  6. Step 6: Final answer
    x = 9,895.51

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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.