Home / 10,996.52-15,174.46-7,017.20

Finding the Fourth Proportional to 10,996.52, 15,174.46 and 7,017.20

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Solution

The fourth proportional to 10,996.52, 15,174.46 and 7,017.20 is: 9,683.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.52 : 15,174.46 = 7,017.20 : x
  2. Step 2: Convert to fraction form
    10,996.52/15,174.46 = 7,017.20/x
  3. Step 3: Cross multiply
    10,996.52x = 15,174.46 × 7,017.20
  4. Step 4: Simplify right side
    10,996.52x = 106,482,220.71
  5. Step 5: Solve for x
    x = 106,482,220.71/10,996.52
  6. Step 6: Final answer
    x = 9,683.27

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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.