Home / 10,149.40-15,261.11-9,337.48

Finding the Fourth Proportional to 10,149.40, 15,261.11 and 9,337.48

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Solution

The fourth proportional to 10,149.40, 15,261.11 and 9,337.48 is: 14,040.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.40 : 15,261.11 = 9,337.48 : x
  2. Step 2: Convert to fraction form
    10,149.40/15,261.11 = 9,337.48/x
  3. Step 3: Cross multiply
    10,149.40x = 15,261.11 × 9,337.48
  4. Step 4: Simplify right side
    10,149.40x = 142,500,259.58
  5. Step 5: Solve for x
    x = 142,500,259.58/10,149.40
  6. Step 6: Final answer
    x = 14,040.26

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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.