Home / 8,775.28-12,108.36-5,048.56

Finding the Fourth Proportional to 8,775.28, 12,108.36 and 5,048.56

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Solution

The fourth proportional to 8,775.28, 12,108.36 and 5,048.56 is: 6,966.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.28 : 12,108.36 = 5,048.56 : x
  2. Step 2: Convert to fraction form
    8,775.28/12,108.36 = 5,048.56/x
  3. Step 3: Cross multiply
    8,775.28x = 12,108.36 × 5,048.56
  4. Step 4: Simplify right side
    8,775.28x = 61,129,781.96
  5. Step 5: Solve for x
    x = 61,129,781.96/8,775.28
  6. Step 6: Final answer
    x = 6,966.13

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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.