Home / 9,372.08-12,936.84-5,648.24

Finding the Fourth Proportional to 9,372.08, 12,936.84 and 5,648.24

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Solution

The fourth proportional to 9,372.08, 12,936.84 and 5,648.24 is: 7,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.08 : 12,936.84 = 5,648.24 : x
  2. Step 2: Convert to fraction form
    9,372.08/12,936.84 = 5,648.24/x
  3. Step 3: Cross multiply
    9,372.08x = 12,936.84 × 5,648.24
  4. Step 4: Simplify right side
    9,372.08x = 73,070,377.16
  5. Step 5: Solve for x
    x = 73,070,377.16/9,372.08
  6. Step 6: Final answer
    x = 7,796.60

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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.