Home / 10,186.56-15,276.20-5,510.03

Finding the Fourth Proportional to 10,186.56, 15,276.20 and 5,510.03

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Solution

The fourth proportional to 10,186.56, 15,276.20 and 5,510.03 is: 8,263.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.56 : 15,276.20 = 5,510.03 : x
  2. Step 2: Convert to fraction form
    10,186.56/15,276.20 = 5,510.03/x
  3. Step 3: Cross multiply
    10,186.56x = 15,276.20 × 5,510.03
  4. Step 4: Simplify right side
    10,186.56x = 84,172,216.35
  5. Step 5: Solve for x
    x = 84,172,216.35/10,186.56
  6. Step 6: Final answer
    x = 8,263.07

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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.