Home / 10,102.11-15,148.09-5,886.72

Finding the Fourth Proportional to 10,102.11, 15,148.09 and 5,886.72

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Solution

The fourth proportional to 10,102.11, 15,148.09 and 5,886.72 is: 8,827.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.11 : 15,148.09 = 5,886.72 : x
  2. Step 2: Convert to fraction form
    10,102.11/15,148.09 = 5,886.72/x
  3. Step 3: Cross multiply
    10,102.11x = 15,148.09 × 5,886.72
  4. Step 4: Simplify right side
    10,102.11x = 89,172,571.72
  5. Step 5: Solve for x
    x = 89,172,571.72/10,102.11
  6. Step 6: Final answer
    x = 8,827.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.