Home / 7,848.30-11,772.45-7,301.55

Finding the Fourth Proportional to 7,848.30, 11,772.45 and 7,301.55

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Solution

The fourth proportional to 7,848.30, 11,772.45 and 7,301.55 is: 10,952.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.30 : 11,772.45 = 7,301.55 : x
  2. Step 2: Convert to fraction form
    7,848.30/11,772.45 = 7,301.55/x
  3. Step 3: Cross multiply
    7,848.30x = 11,772.45 × 7,301.55
  4. Step 4: Simplify right side
    7,848.30x = 85,957,132.30
  5. Step 5: Solve for x
    x = 85,957,132.30/7,848.30
  6. Step 6: Final answer
    x = 10,952.33

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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.