Home / 12,031.20-16,610.76-7,561.08

Finding the Fourth Proportional to 12,031.20, 16,610.76 and 7,561.08

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Solution

The fourth proportional to 12,031.20, 16,610.76 and 7,561.08 is: 10,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.20 : 16,610.76 = 7,561.08 : x
  2. Step 2: Convert to fraction form
    12,031.20/16,610.76 = 7,561.08/x
  3. Step 3: Cross multiply
    12,031.20x = 16,610.76 × 7,561.08
  4. Step 4: Simplify right side
    12,031.20x = 125,595,285.22
  5. Step 5: Solve for x
    x = 125,595,285.22/12,031.20
  6. Step 6: Final answer
    x = 10,439.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.