Home / 10,199.06-15,285.63-5,576.66

Finding the Fourth Proportional to 10,199.06, 15,285.63 and 5,576.66

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Solution

The fourth proportional to 10,199.06, 15,285.63 and 5,576.66 is: 8,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.06 : 15,285.63 = 5,576.66 : x
  2. Step 2: Convert to fraction form
    10,199.06/15,285.63 = 5,576.66/x
  3. Step 3: Cross multiply
    10,199.06x = 15,285.63 × 5,576.66
  4. Step 4: Simplify right side
    10,199.06x = 85,242,761.40
  5. Step 5: Solve for x
    x = 85,242,761.40/10,199.06
  6. Step 6: Final answer
    x = 8,357.90

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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.