Home / 10,513.47-15,774.41-4,273.96

Finding the Fourth Proportional to 10,513.47, 15,774.41 and 4,273.96

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Solution

The fourth proportional to 10,513.47, 15,774.41 and 4,273.96 is: 6,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513.47 : 15,774.41 = 4,273.96 : x
  2. Step 2: Convert to fraction form
    10,513.47/15,774.41 = 4,273.96/x
  3. Step 3: Cross multiply
    10,513.47x = 15,774.41 × 4,273.96
  4. Step 4: Simplify right side
    10,513.47x = 67,419,197.36
  5. Step 5: Solve for x
    x = 67,419,197.36/10,513.47
  6. Step 6: Final answer
    x = 6,412.65

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1.5x scale

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.