Home / 11,088.11-15,294.93-8,100.29

Finding the Fourth Proportional to 11,088.11, 15,294.93 and 8,100.29

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Solution

The fourth proportional to 11,088.11, 15,294.93 and 8,100.29 is: 11,173.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.11 : 15,294.93 = 8,100.29 : x
  2. Step 2: Convert to fraction form
    11,088.11/15,294.93 = 8,100.29/x
  3. Step 3: Cross multiply
    11,088.11x = 15,294.93 × 8,100.29
  4. Step 4: Simplify right side
    11,088.11x = 123,893,292.06
  5. Step 5: Solve for x
    x = 123,893,292.06/11,088.11
  6. Step 6: Final answer
    x = 11,173.53

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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.