Home / 8,454.47-11,671.23-5,626.55

Finding the Fourth Proportional to 8,454.47, 11,671.23 and 5,626.55

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Solution

The fourth proportional to 8,454.47, 11,671.23 and 5,626.55 is: 7,767.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.47 : 11,671.23 = 5,626.55 : x
  2. Step 2: Convert to fraction form
    8,454.47/11,671.23 = 5,626.55/x
  3. Step 3: Cross multiply
    8,454.47x = 11,671.23 × 5,626.55
  4. Step 4: Simplify right side
    8,454.47x = 65,668,700.80
  5. Step 5: Solve for x
    x = 65,668,700.80/8,454.47
  6. Step 6: Final answer
    x = 7,767.34

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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.