Home / 8,729.27-12,046.22-4,750.45

Finding the Fourth Proportional to 8,729.27, 12,046.22 and 4,750.45

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Solution

The fourth proportional to 8,729.27, 12,046.22 and 4,750.45 is: 6,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.27 : 12,046.22 = 4,750.45 : x
  2. Step 2: Convert to fraction form
    8,729.27/12,046.22 = 4,750.45/x
  3. Step 3: Cross multiply
    8,729.27x = 12,046.22 × 4,750.45
  4. Step 4: Simplify right side
    8,729.27x = 57,224,929.75
  5. Step 5: Solve for x
    x = 57,224,929.75/8,729.27
  6. Step 6: Final answer
    x = 6,555.52

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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.