Home / 8,729.97-12,047.70-4,953.07

Finding the Fourth Proportional to 8,729.97, 12,047.70 and 4,953.07

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Solution

The fourth proportional to 8,729.97, 12,047.70 and 4,953.07 is: 6,835.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.97 : 12,047.70 = 4,953.07 : x
  2. Step 2: Convert to fraction form
    8,729.97/12,047.70 = 4,953.07/x
  3. Step 3: Cross multiply
    8,729.97x = 12,047.70 × 4,953.07
  4. Step 4: Simplify right side
    8,729.97x = 59,673,101.44
  5. Step 5: Solve for x
    x = 59,673,101.44/8,729.97
  6. Step 6: Final answer
    x = 6,835.43

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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.