Home / 10,512.28-15,775.98-6,131.08

Finding the Fourth Proportional to 10,512.28, 15,775.98 and 6,131.08

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Solution

The fourth proportional to 10,512.28, 15,775.98 and 6,131.08 is: 9,201.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.28 : 15,775.98 = 6,131.08 : x
  2. Step 2: Convert to fraction form
    10,512.28/15,775.98 = 6,131.08/x
  3. Step 3: Cross multiply
    10,512.28x = 15,775.98 × 6,131.08
  4. Step 4: Simplify right side
    10,512.28x = 96,723,795.46
  5. Step 5: Solve for x
    x = 96,723,795.46/10,512.28
  6. Step 6: Final answer
    x = 9,201.03

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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.