Home / 10,774.13-16,167.60-4,931.19

Finding the Fourth Proportional to 10,774.13, 16,167.60 and 4,931.19

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Solution

The fourth proportional to 10,774.13, 16,167.60 and 4,931.19 is: 7,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,774.13 : 16,167.60 = 4,931.19 : x
  2. Step 2: Convert to fraction form
    10,774.13/16,167.60 = 4,931.19/x
  3. Step 3: Cross multiply
    10,774.13x = 16,167.60 × 4,931.19
  4. Step 4: Simplify right side
    10,774.13x = 79,725,507.44
  5. Step 5: Solve for x
    x = 79,725,507.44/10,774.13
  6. Step 6: Final answer
    x = 7,399.72

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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.