Home / 10,902.22-15,044.61-6,186.76

Finding the Fourth Proportional to 10,902.22, 15,044.61 and 6,186.76

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Solution

The fourth proportional to 10,902.22, 15,044.61 and 6,186.76 is: 8,537.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902.22 : 15,044.61 = 6,186.76 : x
  2. Step 2: Convert to fraction form
    10,902.22/15,044.61 = 6,186.76/x
  3. Step 3: Cross multiply
    10,902.22x = 15,044.61 × 6,186.76
  4. Step 4: Simplify right side
    10,902.22x = 93,077,391.36
  5. Step 5: Solve for x
    x = 93,077,391.36/10,902.22
  6. Step 6: Final answer
    x = 8,537.47

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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.