Home / 11,003.51-15,165.01-8,014.61

Finding the Fourth Proportional to 11,003.51, 15,165.01 and 8,014.61

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Solution

The fourth proportional to 11,003.51, 15,165.01 and 8,014.61 is: 11,045.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.51 : 15,165.01 = 8,014.61 : x
  2. Step 2: Convert to fraction form
    11,003.51/15,165.01 = 8,014.61/x
  3. Step 3: Cross multiply
    11,003.51x = 15,165.01 × 8,014.61
  4. Step 4: Simplify right side
    11,003.51x = 121,541,640.80
  5. Step 5: Solve for x
    x = 121,541,640.80/11,003.51
  6. Step 6: Final answer
    x = 11,045.72

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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.