Home / 11,575.75-17,363.61-2,810.65

Finding the Fourth Proportional to 11,575.75, 17,363.61 and 2,810.65

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Solution

The fourth proportional to 11,575.75, 17,363.61 and 2,810.65 is: 4,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.75 : 17,363.61 = 2,810.65 : x
  2. Step 2: Convert to fraction form
    11,575.75/17,363.61 = 2,810.65/x
  3. Step 3: Cross multiply
    11,575.75x = 17,363.61 × 2,810.65
  4. Step 4: Simplify right side
    11,575.75x = 48,803,030.45
  5. Step 5: Solve for x
    x = 48,803,030.45/11,575.75
  6. Step 6: Final answer
    x = 4,215.97

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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.