Home / 11,303.28-15,591.85-7,324.29

Finding the Fourth Proportional to 11,303.28, 15,591.85 and 7,324.29

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Solution

The fourth proportional to 11,303.28, 15,591.85 and 7,324.29 is: 10,103.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,303.28 : 15,591.85 = 7,324.29 : x
  2. Step 2: Convert to fraction form
    11,303.28/15,591.85 = 7,324.29/x
  3. Step 3: Cross multiply
    11,303.28x = 15,591.85 × 7,324.29
  4. Step 4: Simplify right side
    11,303.28x = 114,199,212.73
  5. Step 5: Solve for x
    x = 114,199,212.73/11,303.28
  6. Step 6: Final answer
    x = 10,103.19

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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.