Home / 11,555.87-17,334.54-3,658.68

Finding the Fourth Proportional to 11,555.87, 17,334.54 and 3,658.68

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Solution

The fourth proportional to 11,555.87, 17,334.54 and 3,658.68 is: 5,488.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.87 : 17,334.54 = 3,658.68 : x
  2. Step 2: Convert to fraction form
    11,555.87/17,334.54 = 3,658.68/x
  3. Step 3: Cross multiply
    11,555.87x = 17,334.54 × 3,658.68
  4. Step 4: Simplify right side
    11,555.87x = 63,421,534.81
  5. Step 5: Solve for x
    x = 63,421,534.81/11,555.87
  6. Step 6: Final answer
    x = 5,488.26

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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.