Home / 7,214.73-10,811.13-5,357.13

Finding the Fourth Proportional to 7,214.73, 10,811.13 and 5,357.13

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Solution

The fourth proportional to 7,214.73, 10,811.13 and 5,357.13 is: 8,027.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.73 : 10,811.13 = 5,357.13 : x
  2. Step 2: Convert to fraction form
    7,214.73/10,811.13 = 5,357.13/x
  3. Step 3: Cross multiply
    7,214.73x = 10,811.13 × 5,357.13
  4. Step 4: Simplify right side
    7,214.73x = 57,916,628.86
  5. Step 5: Solve for x
    x = 57,916,628.86/7,214.73
  6. Step 6: Final answer
    x = 8,027.55

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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.