Home / 11,012.67-15,197.49-5,977.04

Finding the Fourth Proportional to 11,012.67, 15,197.49 and 5,977.04

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Solution

The fourth proportional to 11,012.67, 15,197.49 and 5,977.04 is: 8,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.67 : 15,197.49 = 5,977.04 : x
  2. Step 2: Convert to fraction form
    11,012.67/15,197.49 = 5,977.04/x
  3. Step 3: Cross multiply
    11,012.67x = 15,197.49 × 5,977.04
  4. Step 4: Simplify right side
    11,012.67x = 90,835,929.64
  5. Step 5: Solve for x
    x = 90,835,929.64/11,012.67
  6. Step 6: Final answer
    x = 8,248.31

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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.