Home / 10,551.33-15,827.75-3,155.19

Finding the Fourth Proportional to 10,551.33, 15,827.75 and 3,155.19

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Solution

The fourth proportional to 10,551.33, 15,827.75 and 3,155.19 is: 4,733.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.33 : 15,827.75 = 3,155.19 : x
  2. Step 2: Convert to fraction form
    10,551.33/15,827.75 = 3,155.19/x
  3. Step 3: Cross multiply
    10,551.33x = 15,827.75 × 3,155.19
  4. Step 4: Simplify right side
    10,551.33x = 49,939,542.75
  5. Step 5: Solve for x
    x = 49,939,542.75/10,551.33
  6. Step 6: Final answer
    x = 4,733.01

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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.