Home / 10,268.84-15,404.63-3,603.75

Finding the Fourth Proportional to 10,268.84, 15,404.63 and 3,603.75

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Solution

The fourth proportional to 10,268.84, 15,404.63 and 3,603.75 is: 5,406.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.84 : 15,404.63 = 3,603.75 : x
  2. Step 2: Convert to fraction form
    10,268.84/15,404.63 = 3,603.75/x
  3. Step 3: Cross multiply
    10,268.84x = 15,404.63 × 3,603.75
  4. Step 4: Simplify right side
    10,268.84x = 55,514,417.34
  5. Step 5: Solve for x
    x = 55,514,417.34/10,268.84
  6. Step 6: Final answer
    x = 5,406.11

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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.