Home / 11,555.76-17,329.92-3,762.75

Finding the Fourth Proportional to 11,555.76, 17,329.92 and 3,762.75

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Solution

The fourth proportional to 11,555.76, 17,329.92 and 3,762.75 is: 5,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.76 : 17,329.92 = 3,762.75 : x
  2. Step 2: Convert to fraction form
    11,555.76/17,329.92 = 3,762.75/x
  3. Step 3: Cross multiply
    11,555.76x = 17,329.92 × 3,762.75
  4. Step 4: Simplify right side
    11,555.76x = 65,208,156.48
  5. Step 5: Solve for x
    x = 65,208,156.48/11,555.76
  6. Step 6: Final answer
    x = 5,642.91

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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.