Home / 8,925.35-13,380.48-5,631.20

Finding the Fourth Proportional to 8,925.35, 13,380.48 and 5,631.20

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Solution

The fourth proportional to 8,925.35, 13,380.48 and 5,631.20 is: 8,442.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.35 : 13,380.48 = 5,631.20 : x
  2. Step 2: Convert to fraction form
    8,925.35/13,380.48 = 5,631.20/x
  3. Step 3: Cross multiply
    8,925.35x = 13,380.48 × 5,631.20
  4. Step 4: Simplify right side
    8,925.35x = 75,348,158.98
  5. Step 5: Solve for x
    x = 75,348,158.98/8,925.35
  6. Step 6: Final answer
    x = 8,442.04

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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.