Home / 8,869.59-13,226.14-8,433.55

Finding the Fourth Proportional to 8,869.59, 13,226.14 and 8,433.55

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Solution

The fourth proportional to 8,869.59, 13,226.14 and 8,433.55 is: 12,575.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.59 : 13,226.14 = 8,433.55 : x
  2. Step 2: Convert to fraction form
    8,869.59/13,226.14 = 8,433.55/x
  3. Step 3: Cross multiply
    8,869.59x = 13,226.14 × 8,433.55
  4. Step 4: Simplify right side
    8,869.59x = 111,543,270.83
  5. Step 5: Solve for x
    x = 111,543,270.83/8,869.59
  6. Step 6: Final answer
    x = 12,575.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.