Home / 10,176.21-15,266.13-5,244.51

Finding the Fourth Proportional to 10,176.21, 15,266.13 and 5,244.51

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Solution

The fourth proportional to 10,176.21, 15,266.13 and 5,244.51 is: 7,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.21 : 15,266.13 = 5,244.51 : x
  2. Step 2: Convert to fraction form
    10,176.21/15,266.13 = 5,244.51/x
  3. Step 3: Cross multiply
    10,176.21x = 15,266.13 × 5,244.51
  4. Step 4: Simplify right side
    10,176.21x = 80,063,371.45
  5. Step 5: Solve for x
    x = 80,063,371.45/10,176.21
  6. Step 6: Final answer
    x = 7,867.70

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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.