Home / 8,826.47-12,180.61-4,847.66

Finding the Fourth Proportional to 8,826.47, 12,180.61 and 4,847.66

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Solution

The fourth proportional to 8,826.47, 12,180.61 and 4,847.66 is: 6,689.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.47 : 12,180.61 = 4,847.66 : x
  2. Step 2: Convert to fraction form
    8,826.47/12,180.61 = 4,847.66/x
  3. Step 3: Cross multiply
    8,826.47x = 12,180.61 × 4,847.66
  4. Step 4: Simplify right side
    8,826.47x = 59,047,455.87
  5. Step 5: Solve for x
    x = 59,047,455.87/8,826.47
  6. Step 6: Final answer
    x = 6,689.82

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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.