Home / 12,360.75-17,057.57-7,582.56

Finding the Fourth Proportional to 12,360.75, 17,057.57 and 7,582.56

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Solution

The fourth proportional to 12,360.75, 17,057.57 and 7,582.56 is: 10,463.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.75 : 17,057.57 = 7,582.56 : x
  2. Step 2: Convert to fraction form
    12,360.75/17,057.57 = 7,582.56/x
  3. Step 3: Cross multiply
    12,360.75x = 17,057.57 × 7,582.56
  4. Step 4: Simplify right side
    12,360.75x = 129,340,010.07
  5. Step 5: Solve for x
    x = 129,340,010.07/12,360.75
  6. Step 6: Final answer
    x = 10,463.77

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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.