Home / 11,501.79-17,254.50-3,603.68

Finding the Fourth Proportional to 11,501.79, 17,254.50 and 3,603.68

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Solution

The fourth proportional to 11,501.79, 17,254.50 and 3,603.68 is: 5,406.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,501.79 : 17,254.50 = 3,603.68 : x
  2. Step 2: Convert to fraction form
    11,501.79/17,254.50 = 3,603.68/x
  3. Step 3: Cross multiply
    11,501.79x = 17,254.50 × 3,603.68
  4. Step 4: Simplify right side
    11,501.79x = 62,179,681.75
  5. Step 5: Solve for x
    x = 62,179,681.75/11,501.79
  6. Step 6: Final answer
    x = 5,406.09

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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.