Home / 11,013.76-15,197.38-6,297.13

Finding the Fourth Proportional to 11,013.76, 15,197.38 and 6,297.13

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Solution

The fourth proportional to 11,013.76, 15,197.38 and 6,297.13 is: 8,689.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.76 : 15,197.38 = 6,297.13 : x
  2. Step 2: Convert to fraction form
    11,013.76/15,197.38 = 6,297.13/x
  3. Step 3: Cross multiply
    11,013.76x = 15,197.38 × 6,297.13
  4. Step 4: Simplify right side
    11,013.76x = 95,699,877.52
  5. Step 5: Solve for x
    x = 95,699,877.52/11,013.76
  6. Step 6: Final answer
    x = 8,689.12

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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.