Home / 7,439.12-11,156.04-5,352.89

Finding the Fourth Proportional to 7,439.12, 11,156.04 and 5,352.89

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Solution

The fourth proportional to 7,439.12, 11,156.04 and 5,352.89 is: 8,027.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.12 : 11,156.04 = 5,352.89 : x
  2. Step 2: Convert to fraction form
    7,439.12/11,156.04 = 5,352.89/x
  3. Step 3: Cross multiply
    7,439.12x = 11,156.04 × 5,352.89
  4. Step 4: Simplify right side
    7,439.12x = 59,717,082.85
  5. Step 5: Solve for x
    x = 59,717,082.85/7,439.12
  6. Step 6: Final answer
    x = 8,027.44

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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.