Home / 10,073.36-15,121.08-8,006.65

Finding the Fourth Proportional to 10,073.36, 15,121.08 and 8,006.65

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Solution

The fourth proportional to 10,073.36, 15,121.08 and 8,006.65 is: 12,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,073.36 : 15,121.08 = 8,006.65 : x
  2. Step 2: Convert to fraction form
    10,073.36/15,121.08 = 8,006.65/x
  3. Step 3: Cross multiply
    10,073.36x = 15,121.08 × 8,006.65
  4. Step 4: Simplify right side
    10,073.36x = 121,069,157.38
  5. Step 5: Solve for x
    x = 121,069,157.38/10,073.36
  6. Step 6: Final answer
    x = 12,018.74

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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.