Home / 10,534.60-15,791.10-6,149.80

Finding the Fourth Proportional to 10,534.60, 15,791.10 and 6,149.80

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Solution

The fourth proportional to 10,534.60, 15,791.10 and 6,149.80 is: 9,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,534.60 : 15,791.10 = 6,149.80 : x
  2. Step 2: Convert to fraction form
    10,534.60/15,791.10 = 6,149.80/x
  3. Step 3: Cross multiply
    10,534.60x = 15,791.10 × 6,149.80
  4. Step 4: Simplify right side
    10,534.60x = 97,112,106.78
  5. Step 5: Solve for x
    x = 97,112,106.78/10,534.60
  6. Step 6: Final answer
    x = 9,218.40

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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.