Home / 12,619.13-17,414.46-7,030.13

Finding the Fourth Proportional to 12,619.13, 17,414.46 and 7,030.13

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Solution

The fourth proportional to 12,619.13, 17,414.46 and 7,030.13 is: 9,701.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.13 : 17,414.46 = 7,030.13 : x
  2. Step 2: Convert to fraction form
    12,619.13/17,414.46 = 7,030.13/x
  3. Step 3: Cross multiply
    12,619.13x = 17,414.46 × 7,030.13
  4. Step 4: Simplify right side
    12,619.13x = 122,425,830.61
  5. Step 5: Solve for x
    x = 122,425,830.61/12,619.13
  6. Step 6: Final answer
    x = 9,701.61

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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.