Home / 9,209.36-12,708.92-5,017.61

Finding the Fourth Proportional to 9,209.36, 12,708.92 and 5,017.61

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Solution

The fourth proportional to 9,209.36, 12,708.92 and 5,017.61 is: 6,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.36 : 12,708.92 = 5,017.61 : x
  2. Step 2: Convert to fraction form
    9,209.36/12,708.92 = 5,017.61/x
  3. Step 3: Cross multiply
    9,209.36x = 12,708.92 × 5,017.61
  4. Step 4: Simplify right side
    9,209.36x = 63,768,404.08
  5. Step 5: Solve for x
    x = 63,768,404.08/9,209.36
  6. Step 6: Final answer
    x = 6,924.30

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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.