Home / 10,579.76-15,776.50-9,841.04

Finding the Fourth Proportional to 10,579.76, 15,776.50 and 9,841.04

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Solution

The fourth proportional to 10,579.76, 15,776.50 and 9,841.04 is: 14,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,579.76 : 15,776.50 = 9,841.04 : x
  2. Step 2: Convert to fraction form
    10,579.76/15,776.50 = 9,841.04/x
  3. Step 3: Cross multiply
    10,579.76x = 15,776.50 × 9,841.04
  4. Step 4: Simplify right side
    10,579.76x = 155,257,167.56
  5. Step 5: Solve for x
    x = 155,257,167.56/10,579.76
  6. Step 6: Final answer
    x = 14,674.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.