Home / 8,826.55-12,180.68-5,049.76

Finding the Fourth Proportional to 8,826.55, 12,180.68 and 5,049.76

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Solution

The fourth proportional to 8,826.55, 12,180.68 and 5,049.76 is: 6,968.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.55 : 12,180.68 = 5,049.76 : x
  2. Step 2: Convert to fraction form
    8,826.55/12,180.68 = 5,049.76/x
  3. Step 3: Cross multiply
    8,826.55x = 12,180.68 × 5,049.76
  4. Step 4: Simplify right side
    8,826.55x = 61,509,510.64
  5. Step 5: Solve for x
    x = 61,509,510.64/8,826.55
  6. Step 6: Final answer
    x = 6,968.69

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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.