Home / 7,707.90-11,562.66-2,512.56

Finding the Fourth Proportional to 7,707.90, 11,562.66 and 2,512.56

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Solution

The fourth proportional to 7,707.90, 11,562.66 and 2,512.56 is: 3,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.90 : 11,562.66 = 2,512.56 : x
  2. Step 2: Convert to fraction form
    7,707.90/11,562.66 = 2,512.56/x
  3. Step 3: Cross multiply
    7,707.90x = 11,562.66 × 2,512.56
  4. Step 4: Simplify right side
    7,707.90x = 29,051,877.01
  5. Step 5: Solve for x
    x = 29,051,877.01/7,707.90
  6. Step 6: Final answer
    x = 3,769.10

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1.5x scale

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.