Home / 10,072.34-15,101.07-5,392.18

Finding the Fourth Proportional to 10,072.34, 15,101.07 and 5,392.18

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Solution

The fourth proportional to 10,072.34, 15,101.07 and 5,392.18 is: 8,084.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.34 : 15,101.07 = 5,392.18 : x
  2. Step 2: Convert to fraction form
    10,072.34/15,101.07 = 5,392.18/x
  3. Step 3: Cross multiply
    10,072.34x = 15,101.07 × 5,392.18
  4. Step 4: Simplify right side
    10,072.34x = 81,427,687.63
  5. Step 5: Solve for x
    x = 81,427,687.63/10,072.34
  6. Step 6: Final answer
    x = 8,084.29

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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.