Home / 10,206.18-15,312.57-5,008.41

Finding the Fourth Proportional to 10,206.18, 15,312.57 and 5,008.41

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Solution

The fourth proportional to 10,206.18, 15,312.57 and 5,008.41 is: 7,514.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.18 : 15,312.57 = 5,008.41 : x
  2. Step 2: Convert to fraction form
    10,206.18/15,312.57 = 5,008.41/x
  3. Step 3: Cross multiply
    10,206.18x = 15,312.57 × 5,008.41
  4. Step 4: Simplify right side
    10,206.18x = 76,691,628.71
  5. Step 5: Solve for x
    x = 76,691,628.71/10,206.18
  6. Step 6: Final answer
    x = 7,514.23

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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.