Home / 6,654.46-9,178.55-5,395.57

Finding the Fourth Proportional to 6,654.46, 9,178.55 and 5,395.57

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Solution

The fourth proportional to 6,654.46, 9,178.55 and 5,395.57 is: 7,442.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.46 : 9,178.55 = 5,395.57 : x
  2. Step 2: Convert to fraction form
    6,654.46/9,178.55 = 5,395.57/x
  3. Step 3: Cross multiply
    6,654.46x = 9,178.55 × 5,395.57
  4. Step 4: Simplify right side
    6,654.46x = 49,523,436.15
  5. Step 5: Solve for x
    x = 49,523,436.15/6,654.46
  6. Step 6: Final answer
    x = 7,442.14

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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.