Home / 8,807.42-12,158.40-5,452.43

Finding the Fourth Proportional to 8,807.42, 12,158.40 and 5,452.43

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Solution

The fourth proportional to 8,807.42, 12,158.40 and 5,452.43 is: 7,526.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.42 : 12,158.40 = 5,452.43 : x
  2. Step 2: Convert to fraction form
    8,807.42/12,158.40 = 5,452.43/x
  3. Step 3: Cross multiply
    8,807.42x = 12,158.40 × 5,452.43
  4. Step 4: Simplify right side
    8,807.42x = 66,292,855.31
  5. Step 5: Solve for x
    x = 66,292,855.31/8,807.42
  6. Step 6: Final answer
    x = 7,526.93

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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.