Home / 10,960.74-15,122.34-6,486.03

Finding the Fourth Proportional to 10,960.74, 15,122.34 and 6,486.03

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Solution

The fourth proportional to 10,960.74, 15,122.34 and 6,486.03 is: 8,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.74 : 15,122.34 = 6,486.03 : x
  2. Step 2: Convert to fraction form
    10,960.74/15,122.34 = 6,486.03/x
  3. Step 3: Cross multiply
    10,960.74x = 15,122.34 × 6,486.03
  4. Step 4: Simplify right side
    10,960.74x = 98,083,950.91
  5. Step 5: Solve for x
    x = 98,083,950.91/10,960.74
  6. Step 6: Final answer
    x = 8,948.66

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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.