Home / 10,506.74-15,760.65-2,715.62

Finding the Fourth Proportional to 10,506.74, 15,760.65 and 2,715.62

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Solution

The fourth proportional to 10,506.74, 15,760.65 and 2,715.62 is: 4,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,506.74 : 15,760.65 = 2,715.62 : x
  2. Step 2: Convert to fraction form
    10,506.74/15,760.65 = 2,715.62/x
  3. Step 3: Cross multiply
    10,506.74x = 15,760.65 × 2,715.62
  4. Step 4: Simplify right side
    10,506.74x = 42,799,936.35
  5. Step 5: Solve for x
    x = 42,799,936.35/10,506.74
  6. Step 6: Final answer
    x = 4,073.57

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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.