Home / 10,876.62-15,012.15-6,163.50

Finding the Fourth Proportional to 10,876.62, 15,012.15 and 6,163.50

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Solution

The fourth proportional to 10,876.62, 15,012.15 and 6,163.50 is: 8,507.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.62 : 15,012.15 = 6,163.50 : x
  2. Step 2: Convert to fraction form
    10,876.62/15,012.15 = 6,163.50/x
  3. Step 3: Cross multiply
    10,876.62x = 15,012.15 × 6,163.50
  4. Step 4: Simplify right side
    10,876.62x = 92,527,386.53
  5. Step 5: Solve for x
    x = 92,527,386.53/10,876.62
  6. Step 6: Final answer
    x = 8,507.00

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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.