Home / 10,967.46-15,135.22-6,659.30

Finding the Fourth Proportional to 10,967.46, 15,135.22 and 6,659.30

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Solution

The fourth proportional to 10,967.46, 15,135.22 and 6,659.30 is: 9,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.46 : 15,135.22 = 6,659.30 : x
  2. Step 2: Convert to fraction form
    10,967.46/15,135.22 = 6,659.30/x
  3. Step 3: Cross multiply
    10,967.46x = 15,135.22 × 6,659.30
  4. Step 4: Simplify right side
    10,967.46x = 100,789,970.55
  5. Step 5: Solve for x
    x = 100,789,970.55/10,967.46
  6. Step 6: Final answer
    x = 9,189.91

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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.