Home / 8,805.11-12,152.43-5,269.46

Finding the Fourth Proportional to 8,805.11, 12,152.43 and 5,269.46

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Solution

The fourth proportional to 8,805.11, 12,152.43 and 5,269.46 is: 7,272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.11 : 12,152.43 = 5,269.46 : x
  2. Step 2: Convert to fraction form
    8,805.11/12,152.43 = 5,269.46/x
  3. Step 3: Cross multiply
    8,805.11x = 12,152.43 × 5,269.46
  4. Step 4: Simplify right side
    8,805.11x = 64,036,683.03
  5. Step 5: Solve for x
    x = 64,036,683.03/8,805.11
  6. Step 6: Final answer
    x = 7,272.68

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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.