Home / 9,158.80-12,639.20-4,967.04

Finding the Fourth Proportional to 9,158.80, 12,639.20 and 4,967.04

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Solution

The fourth proportional to 9,158.80, 12,639.20 and 4,967.04 is: 6,854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.80 : 12,639.20 = 4,967.04 : x
  2. Step 2: Convert to fraction form
    9,158.80/12,639.20 = 4,967.04/x
  3. Step 3: Cross multiply
    9,158.80x = 12,639.20 × 4,967.04
  4. Step 4: Simplify right side
    9,158.80x = 62,779,411.97
  5. Step 5: Solve for x
    x = 62,779,411.97/9,158.80
  6. Step 6: Final answer
    x = 6,854.55

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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.