Home / 10,986.24-15,160.68-6,206.41

Finding the Fourth Proportional to 10,986.24, 15,160.68 and 6,206.41

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Solution

The fourth proportional to 10,986.24, 15,160.68 and 6,206.41 is: 8,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.24 : 15,160.68 = 6,206.41 : x
  2. Step 2: Convert to fraction form
    10,986.24/15,160.68 = 6,206.41/x
  3. Step 3: Cross multiply
    10,986.24x = 15,160.68 × 6,206.41
  4. Step 4: Simplify right side
    10,986.24x = 94,093,335.67
  5. Step 5: Solve for x
    x = 94,093,335.67/10,986.24
  6. Step 6: Final answer
    x = 8,564.66

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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.