Home / 10,970.44-15,139.22-5,934.65

Finding the Fourth Proportional to 10,970.44, 15,139.22 and 5,934.65

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Solution

The fourth proportional to 10,970.44, 15,139.22 and 5,934.65 is: 8,189.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,970.44 : 15,139.22 = 5,934.65 : x
  2. Step 2: Convert to fraction form
    10,970.44/15,139.22 = 5,934.65/x
  3. Step 3: Cross multiply
    10,970.44x = 15,139.22 × 5,934.65
  4. Step 4: Simplify right side
    10,970.44x = 89,845,971.97
  5. Step 5: Solve for x
    x = 89,845,971.97/10,970.44
  6. Step 6: Final answer
    x = 8,189.82

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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.