Home / 11,780.18-17,642.57-5,526.71

Finding the Fourth Proportional to 11,780.18, 17,642.57 and 5,526.71

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Solution

The fourth proportional to 11,780.18, 17,642.57 and 5,526.71 is: 8,277.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.18 : 17,642.57 = 5,526.71 : x
  2. Step 2: Convert to fraction form
    11,780.18/17,642.57 = 5,526.71/x
  3. Step 3: Cross multiply
    11,780.18x = 17,642.57 × 5,526.71
  4. Step 4: Simplify right side
    11,780.18x = 97,505,252.20
  5. Step 5: Solve for x
    x = 97,505,252.20/11,780.18
  6. Step 6: Final answer
    x = 8,277.06

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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.