Home / 10,986.06-15,160.75-5,950.29

Finding the Fourth Proportional to 10,986.06, 15,160.75 and 5,950.29

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Solution

The fourth proportional to 10,986.06, 15,160.75 and 5,950.29 is: 8,211.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.06 : 15,160.75 = 5,950.29 : x
  2. Step 2: Convert to fraction form
    10,986.06/15,160.75 = 5,950.29/x
  3. Step 3: Cross multiply
    10,986.06x = 15,160.75 × 5,950.29
  4. Step 4: Simplify right side
    10,986.06x = 90,210,859.12
  5. Step 5: Solve for x
    x = 90,210,859.12/10,986.06
  6. Step 6: Final answer
    x = 8,211.39

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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.