Home / 8,729.13-12,046.11-4,750.23

Finding the Fourth Proportional to 8,729.13, 12,046.11 and 4,750.23

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Solution

The fourth proportional to 8,729.13, 12,046.11 and 4,750.23 is: 6,555.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.13 : 12,046.11 = 4,750.23 : x
  2. Step 2: Convert to fraction form
    8,729.13/12,046.11 = 4,750.23/x
  3. Step 3: Cross multiply
    8,729.13x = 12,046.11 × 4,750.23
  4. Step 4: Simplify right side
    8,729.13x = 57,221,793.11
  5. Step 5: Solve for x
    x = 57,221,793.11/8,729.13
  6. Step 6: Final answer
    x = 6,555.27

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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.