Home / 12,733.20-17,572.68-7,357.50

Finding the Fourth Proportional to 12,733.20, 17,572.68 and 7,357.50

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Solution

The fourth proportional to 12,733.20, 17,572.68 and 7,357.50 is: 10,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,733.20 : 17,572.68 = 7,357.50 : x
  2. Step 2: Convert to fraction form
    12,733.20/17,572.68 = 7,357.50/x
  3. Step 3: Cross multiply
    12,733.20x = 17,572.68 × 7,357.50
  4. Step 4: Simplify right side
    12,733.20x = 129,290,993.10
  5. Step 5: Solve for x
    x = 129,290,993.10/12,733.20
  6. Step 6: Final answer
    x = 10,153.85

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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.