Home / 8,877.17-13,315.59-3,330.38

Finding the Fourth Proportional to 8,877.17, 13,315.59 and 3,330.38

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Solution

The fourth proportional to 8,877.17, 13,315.59 and 3,330.38 is: 4,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.17 : 13,315.59 = 3,330.38 : x
  2. Step 2: Convert to fraction form
    8,877.17/13,315.59 = 3,330.38/x
  3. Step 3: Cross multiply
    8,877.17x = 13,315.59 × 3,330.38
  4. Step 4: Simplify right side
    8,877.17x = 44,345,974.62
  5. Step 5: Solve for x
    x = 44,345,974.62/8,877.17
  6. Step 6: Final answer
    x = 4,995.51

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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.