Home / 11,101.24-15,321.32-6,625.18

Finding the Fourth Proportional to 11,101.24, 15,321.32 and 6,625.18

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Solution

The fourth proportional to 11,101.24, 15,321.32 and 6,625.18 is: 9,143.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.24 : 15,321.32 = 6,625.18 : x
  2. Step 2: Convert to fraction form
    11,101.24/15,321.32 = 6,625.18/x
  3. Step 3: Cross multiply
    11,101.24x = 15,321.32 × 6,625.18
  4. Step 4: Simplify right side
    11,101.24x = 101,506,502.84
  5. Step 5: Solve for x
    x = 101,506,502.84/11,101.24
  6. Step 6: Final answer
    x = 9,143.71

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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.