Home / 10,348.14-15,442.12-9,240.60

Finding the Fourth Proportional to 10,348.14, 15,442.12 and 9,240.60

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Solution

The fourth proportional to 10,348.14, 15,442.12 and 9,240.60 is: 13,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.14 : 15,442.12 = 9,240.60 : x
  2. Step 2: Convert to fraction form
    10,348.14/15,442.12 = 9,240.60/x
  3. Step 3: Cross multiply
    10,348.14x = 15,442.12 × 9,240.60
  4. Step 4: Simplify right side
    10,348.14x = 142,694,454.07
  5. Step 5: Solve for x
    x = 142,694,454.07/10,348.14
  6. Step 6: Final answer
    x = 13,789.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.