Home / 10,341.12-15,525.45-5,414.70

Finding the Fourth Proportional to 10,341.12, 15,525.45 and 5,414.70

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Solution

The fourth proportional to 10,341.12, 15,525.45 and 5,414.70 is: 8,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.12 : 15,525.45 = 5,414.70 : x
  2. Step 2: Convert to fraction form
    10,341.12/15,525.45 = 5,414.70/x
  3. Step 3: Cross multiply
    10,341.12x = 15,525.45 × 5,414.70
  4. Step 4: Simplify right side
    10,341.12x = 84,065,654.12
  5. Step 5: Solve for x
    x = 84,065,654.12/10,341.12
  6. Step 6: Final answer
    x = 8,129.26

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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.