Home / 11,013.94-15,203.28-8,045.02

Finding the Fourth Proportional to 11,013.94, 15,203.28 and 8,045.02

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Solution

The fourth proportional to 11,013.94, 15,203.28 and 8,045.02 is: 11,105.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.94 : 15,203.28 = 8,045.02 : x
  2. Step 2: Convert to fraction form
    11,013.94/15,203.28 = 8,045.02/x
  3. Step 3: Cross multiply
    11,013.94x = 15,203.28 × 8,045.02
  4. Step 4: Simplify right side
    11,013.94x = 122,310,691.67
  5. Step 5: Solve for x
    x = 122,310,691.67/11,013.94
  6. Step 6: Final answer
    x = 11,105.08

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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.