Home / 10,983.76-15,156.12-6,204.04

Finding the Fourth Proportional to 10,983.76, 15,156.12 and 6,204.04

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Solution

The fourth proportional to 10,983.76, 15,156.12 and 6,204.04 is: 8,560.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.76 : 15,156.12 = 6,204.04 : x
  2. Step 2: Convert to fraction form
    10,983.76/15,156.12 = 6,204.04/x
  3. Step 3: Cross multiply
    10,983.76x = 15,156.12 × 6,204.04
  4. Step 4: Simplify right side
    10,983.76x = 94,029,174.72
  5. Step 5: Solve for x
    x = 94,029,174.72/10,983.76
  6. Step 6: Final answer
    x = 8,560.75

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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.