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Finding the Fourth Proportional to 10,988.24, 15,163.98 and 6,020.24

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Solution

The fourth proportional to 10,988.24, 15,163.98 and 6,020.24 is: 8,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.24 : 15,163.98 = 6,020.24 : x
  2. Step 2: Convert to fraction form
    10,988.24/15,163.98 = 6,020.24/x
  3. Step 3: Cross multiply
    10,988.24x = 15,163.98 × 6,020.24
  4. Step 4: Simplify right side
    10,988.24x = 91,290,798.96
  5. Step 5: Solve for x
    x = 91,290,798.96/10,988.24
  6. Step 6: Final answer
    x = 8,308.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.