Home / 9,241.92-12,753.64-5,208.72

Finding the Fourth Proportional to 9,241.92, 12,753.64 and 5,208.72

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Solution

The fourth proportional to 9,241.92, 12,753.64 and 5,208.72 is: 7,187.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,241.92 : 12,753.64 = 5,208.72 : x
  2. Step 2: Convert to fraction form
    9,241.92/12,753.64 = 5,208.72/x
  3. Step 3: Cross multiply
    9,241.92x = 12,753.64 × 5,208.72
  4. Step 4: Simplify right side
    9,241.92x = 66,430,139.74
  5. Step 5: Solve for x
    x = 66,430,139.74/9,241.92
  6. Step 6: Final answer
    x = 7,187.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.