Home / 10,281.60-15,422.40-3,708.45

Finding the Fourth Proportional to 10,281.60, 15,422.40 and 3,708.45

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Solution

The fourth proportional to 10,281.60, 15,422.40 and 3,708.45 is: 5,562.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.60 : 15,422.40 = 3,708.45 : x
  2. Step 2: Convert to fraction form
    10,281.60/15,422.40 = 3,708.45/x
  3. Step 3: Cross multiply
    10,281.60x = 15,422.40 × 3,708.45
  4. Step 4: Simplify right side
    10,281.60x = 57,193,199.28
  5. Step 5: Solve for x
    x = 57,193,199.28/10,281.60
  6. Step 6: Final answer
    x = 5,562.68

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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.