Home / 11,437.78-17,151.18-4,860.36

Finding the Fourth Proportional to 11,437.78, 17,151.18 and 4,860.36

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Solution

The fourth proportional to 11,437.78, 17,151.18 and 4,860.36 is: 7,288.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,437.78 : 17,151.18 = 4,860.36 : x
  2. Step 2: Convert to fraction form
    11,437.78/17,151.18 = 4,860.36/x
  3. Step 3: Cross multiply
    11,437.78x = 17,151.18 × 4,860.36
  4. Step 4: Simplify right side
    11,437.78x = 83,360,909.22
  5. Step 5: Solve for x
    x = 83,360,909.22/11,437.78
  6. Step 6: Final answer
    x = 7,288.21

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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.