Home / 10,959.51-15,123.24-6,708.79

Finding the Fourth Proportional to 10,959.51, 15,123.24 and 6,708.79

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Solution

The fourth proportional to 10,959.51, 15,123.24 and 6,708.79 is: 9,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959.51 : 15,123.24 = 6,708.79 : x
  2. Step 2: Convert to fraction form
    10,959.51/15,123.24 = 6,708.79/x
  3. Step 3: Cross multiply
    10,959.51x = 15,123.24 × 6,708.79
  4. Step 4: Simplify right side
    10,959.51x = 101,458,641.28
  5. Step 5: Solve for x
    x = 101,458,641.28/10,959.51
  6. Step 6: Final answer
    x = 9,257.59

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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.