Home / 10,280.73-15,400.54-4,726.46

Finding the Fourth Proportional to 10,280.73, 15,400.54 and 4,726.46

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Solution

The fourth proportional to 10,280.73, 15,400.54 and 4,726.46 is: 7,080.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.73 : 15,400.54 = 4,726.46 : x
  2. Step 2: Convert to fraction form
    10,280.73/15,400.54 = 4,726.46/x
  3. Step 3: Cross multiply
    10,280.73x = 15,400.54 × 4,726.46
  4. Step 4: Simplify right side
    10,280.73x = 72,790,062.97
  5. Step 5: Solve for x
    x = 72,790,062.97/10,280.73
  6. Step 6: Final answer
    x = 7,080.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.