Home / 10,986.17-15,160.96-5,950.45

Finding the Fourth Proportional to 10,986.17, 15,160.96 and 5,950.45

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Solution

The fourth proportional to 10,986.17, 15,160.96 and 5,950.45 is: 8,211.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.17 : 15,160.96 = 5,950.45 : x
  2. Step 2: Convert to fraction form
    10,986.17/15,160.96 = 5,950.45/x
  3. Step 3: Cross multiply
    10,986.17x = 15,160.96 × 5,950.45
  4. Step 4: Simplify right side
    10,986.17x = 90,214,534.43
  5. Step 5: Solve for x
    x = 90,214,534.43/10,986.17
  6. Step 6: Final answer
    x = 8,211.65

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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.