Home / 7,442.52-11,170.98-5,474.20

Finding the Fourth Proportional to 7,442.52, 11,170.98 and 5,474.20

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Solution

The fourth proportional to 7,442.52, 11,170.98 and 5,474.20 is: 8,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.52 : 11,170.98 = 5,474.20 : x
  2. Step 2: Convert to fraction form
    7,442.52/11,170.98 = 5,474.20/x
  3. Step 3: Cross multiply
    7,442.52x = 11,170.98 × 5,474.20
  4. Step 4: Simplify right side
    7,442.52x = 61,152,178.72
  5. Step 5: Solve for x
    x = 61,152,178.72/7,442.52
  6. Step 6: Final answer
    x = 8,216.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.