Home / 25,847.10-38,770.89-7,127.46

Finding the Fourth Proportional to 25,847.10, 38,770.89 and 7,127.46

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Solution

The fourth proportional to 25,847.10, 38,770.89 and 7,127.46 is: 10,691.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,847.10 : 38,770.89 = 7,127.46 : x
  2. Step 2: Convert to fraction form
    25,847.10/38,770.89 = 7,127.46/x
  3. Step 3: Cross multiply
    25,847.10x = 38,770.89 × 7,127.46
  4. Step 4: Simplify right side
    25,847.10x = 276,337,967.64
  5. Step 5: Solve for x
    x = 276,337,967.64/25,847.10
  6. Step 6: Final answer
    x = 10,691.26

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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.