Home / 12,535.57-17,299.08-7,500

Finding the Fourth Proportional to 12,535.57, 17,299.08 and 7,500

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Solution

The fourth proportional to 12,535.57, 17,299.08 and 7,500 is: 10,350.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.57 : 17,299.08 = 7,500 : x
  2. Step 2: Convert to fraction form
    12,535.57/17,299.08 = 7,500/x
  3. Step 3: Cross multiply
    12,535.57x = 17,299.08 × 7,500
  4. Step 4: Simplify right side
    12,535.57x = 129,743,100.00
  5. Step 5: Solve for x
    x = 129,743,100.00/12,535.57
  6. Step 6: Final answer
    x = 10,350.00

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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.