Home / 11,002.31-15,183.47-6,223.10

Finding the Fourth Proportional to 11,002.31, 15,183.47 and 6,223.10

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Solution

The fourth proportional to 11,002.31, 15,183.47 and 6,223.10 is: 8,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,002.31 : 15,183.47 = 6,223.10 : x
  2. Step 2: Convert to fraction form
    11,002.31/15,183.47 = 6,223.10/x
  3. Step 3: Cross multiply
    11,002.31x = 15,183.47 × 6,223.10
  4. Step 4: Simplify right side
    11,002.31x = 94,488,305.67
  5. Step 5: Solve for x
    x = 94,488,305.67/11,002.31
  6. Step 6: Final answer
    x = 8,588.05

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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.