Home / 8,249.11-11,368.35-5,887.15

Finding the Fourth Proportional to 8,249.11, 11,368.35 and 5,887.15

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Solution

The fourth proportional to 8,249.11, 11,368.35 and 5,887.15 is: 8,113.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.11 : 11,368.35 = 5,887.15 : x
  2. Step 2: Convert to fraction form
    8,249.11/11,368.35 = 5,887.15/x
  3. Step 3: Cross multiply
    8,249.11x = 11,368.35 × 5,887.15
  4. Step 4: Simplify right side
    8,249.11x = 66,927,153.28
  5. Step 5: Solve for x
    x = 66,927,153.28/8,249.11
  6. Step 6: Final answer
    x = 8,113.26

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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.