Home / 10,087.76-15,126.06-4,163.06

Finding the Fourth Proportional to 10,087.76, 15,126.06 and 4,163.06

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Solution

The fourth proportional to 10,087.76, 15,126.06 and 4,163.06 is: 6,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.76 : 15,126.06 = 4,163.06 : x
  2. Step 2: Convert to fraction form
    10,087.76/15,126.06 = 4,163.06/x
  3. Step 3: Cross multiply
    10,087.76x = 15,126.06 × 4,163.06
  4. Step 4: Simplify right side
    10,087.76x = 62,970,695.34
  5. Step 5: Solve for x
    x = 62,970,695.34/10,087.76
  6. Step 6: Final answer
    x = 6,242.29

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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.