Home / 6,876.18-10,318.47-2,715.48

Finding the Fourth Proportional to 6,876.18, 10,318.47 and 2,715.48

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Solution

The fourth proportional to 6,876.18, 10,318.47 and 2,715.48 is: 4,074.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.18 : 10,318.47 = 2,715.48 : x
  2. Step 2: Convert to fraction form
    6,876.18/10,318.47 = 2,715.48/x
  3. Step 3: Cross multiply
    6,876.18x = 10,318.47 × 2,715.48
  4. Step 4: Simplify right side
    6,876.18x = 28,019,598.92
  5. Step 5: Solve for x
    x = 28,019,598.92/6,876.18
  6. Step 6: Final answer
    x = 4,074.88

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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.