Home / 10,982.28-15,157.32-6,735.69

Finding the Fourth Proportional to 10,982.28, 15,157.32 and 6,735.69

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Solution

The fourth proportional to 10,982.28, 15,157.32 and 6,735.69 is: 9,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.28 : 15,157.32 = 6,735.69 : x
  2. Step 2: Convert to fraction form
    10,982.28/15,157.32 = 6,735.69/x
  3. Step 3: Cross multiply
    10,982.28x = 15,157.32 × 6,735.69
  4. Step 4: Simplify right side
    10,982.28x = 102,095,008.75
  5. Step 5: Solve for x
    x = 102,095,008.75/10,982.28
  6. Step 6: Final answer
    x = 9,296.34

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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.