Home / 13,462.92-18,579.87-7,799.49

Finding the Fourth Proportional to 13,462.92, 18,579.87 and 7,799.49

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Solution

The fourth proportional to 13,462.92, 18,579.87 and 7,799.49 is: 10,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462.92 : 18,579.87 = 7,799.49 : x
  2. Step 2: Convert to fraction form
    13,462.92/18,579.87 = 7,799.49/x
  3. Step 3: Cross multiply
    13,462.92x = 18,579.87 × 7,799.49
  4. Step 4: Simplify right side
    13,462.92x = 144,913,510.27
  5. Step 5: Solve for x
    x = 144,913,510.27/13,462.92
  6. Step 6: Final answer
    x = 10,763.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.