Home / 10,988.56-15,164.16-6,020.56

Finding the Fourth Proportional to 10,988.56, 15,164.16 and 6,020.56

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Solution

The fourth proportional to 10,988.56, 15,164.16 and 6,020.56 is: 8,308.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.56 : 15,164.16 = 6,020.56 : x
  2. Step 2: Convert to fraction form
    10,988.56/15,164.16 = 6,020.56/x
  3. Step 3: Cross multiply
    10,988.56x = 15,164.16 × 6,020.56
  4. Step 4: Simplify right side
    10,988.56x = 91,296,735.13
  5. Step 5: Solve for x
    x = 91,296,735.13/10,988.56
  6. Step 6: Final answer
    x = 8,308.34

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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.