Home / 10,959.14-15,120.76-6,708.66

Finding the Fourth Proportional to 10,959.14, 15,120.76 and 6,708.66

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Solution

The fourth proportional to 10,959.14, 15,120.76 and 6,708.66 is: 9,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959.14 : 15,120.76 = 6,708.66 : x
  2. Step 2: Convert to fraction form
    10,959.14/15,120.76 = 6,708.66/x
  3. Step 3: Cross multiply
    10,959.14x = 15,120.76 × 6,708.66
  4. Step 4: Simplify right side
    10,959.14x = 101,440,037.78
  5. Step 5: Solve for x
    x = 101,440,037.78/10,959.14
  6. Step 6: Final answer
    x = 9,256.20

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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.