Home / 10,165.14-15,257.34-5,238.18

Finding the Fourth Proportional to 10,165.14, 15,257.34 and 5,238.18

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Solution

The fourth proportional to 10,165.14, 15,257.34 and 5,238.18 is: 7,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165.14 : 15,257.34 = 5,238.18 : x
  2. Step 2: Convert to fraction form
    10,165.14/15,257.34 = 5,238.18/x
  3. Step 3: Cross multiply
    10,165.14x = 15,257.34 × 5,238.18
  4. Step 4: Simplify right side
    10,165.14x = 79,920,693.24
  5. Step 5: Solve for x
    x = 79,920,693.24/10,165.14
  6. Step 6: Final answer
    x = 7,862.23

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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.