Home / 12,375.46-17,077.08-7,069.24

Finding the Fourth Proportional to 12,375.46, 17,077.08 and 7,069.24

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Solution

The fourth proportional to 12,375.46, 17,077.08 and 7,069.24 is: 9,754.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.46 : 17,077.08 = 7,069.24 : x
  2. Step 2: Convert to fraction form
    12,375.46/17,077.08 = 7,069.24/x
  3. Step 3: Cross multiply
    12,375.46x = 17,077.08 × 7,069.24
  4. Step 4: Simplify right side
    12,375.46x = 120,721,977.02
  5. Step 5: Solve for x
    x = 120,721,977.02/12,375.46
  6. Step 6: Final answer
    x = 9,754.95

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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.