Home / 8,732.28-12,047.84-4,955.16

Finding the Fourth Proportional to 8,732.28, 12,047.84 and 4,955.16

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Solution

The fourth proportional to 8,732.28, 12,047.84 and 4,955.16 is: 6,836.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.28 : 12,047.84 = 4,955.16 : x
  2. Step 2: Convert to fraction form
    8,732.28/12,047.84 = 4,955.16/x
  3. Step 3: Cross multiply
    8,732.28x = 12,047.84 × 4,955.16
  4. Step 4: Simplify right side
    8,732.28x = 59,698,974.85
  5. Step 5: Solve for x
    x = 59,698,974.85/8,732.28
  6. Step 6: Final answer
    x = 6,836.59

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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.