Home / 10,072.52-15,107.70-6,170.12

Finding the Fourth Proportional to 10,072.52, 15,107.70 and 6,170.12

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Solution

The fourth proportional to 10,072.52, 15,107.70 and 6,170.12 is: 9,254.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.52 : 15,107.70 = 6,170.12 : x
  2. Step 2: Convert to fraction form
    10,072.52/15,107.70 = 6,170.12/x
  3. Step 3: Cross multiply
    10,072.52x = 15,107.70 × 6,170.12
  4. Step 4: Simplify right side
    10,072.52x = 93,216,321.92
  5. Step 5: Solve for x
    x = 93,216,321.92/10,072.52
  6. Step 6: Final answer
    x = 9,254.52

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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.