Home / 8,928.42-12,323.68-5,569.26

Finding the Fourth Proportional to 8,928.42, 12,323.68 and 5,569.26

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Solution

The fourth proportional to 8,928.42, 12,323.68 and 5,569.26 is: 7,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.42 : 12,323.68 = 5,569.26 : x
  2. Step 2: Convert to fraction form
    8,928.42/12,323.68 = 5,569.26/x
  3. Step 3: Cross multiply
    8,928.42x = 12,323.68 × 5,569.26
  4. Step 4: Simplify right side
    8,928.42x = 68,633,778.08
  5. Step 5: Solve for x
    x = 68,633,778.08/8,928.42
  6. Step 6: Final answer
    x = 7,687.11

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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.