Home / 9,149.63-12,626.48-4,957.88

Finding the Fourth Proportional to 9,149.63, 12,626.48 and 4,957.88

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Solution

The fourth proportional to 9,149.63, 12,626.48 and 4,957.88 is: 6,841.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.63 : 12,626.48 = 4,957.88 : x
  2. Step 2: Convert to fraction form
    9,149.63/12,626.48 = 4,957.88/x
  3. Step 3: Cross multiply
    9,149.63x = 12,626.48 × 4,957.88
  4. Step 4: Simplify right side
    9,149.63x = 62,600,521.92
  5. Step 5: Solve for x
    x = 62,600,521.92/9,149.63
  6. Step 6: Final answer
    x = 6,841.87

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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.