Home / 9,555.28-13,186.32-5,363.56

Finding the Fourth Proportional to 9,555.28, 13,186.32 and 5,363.56

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Solution

The fourth proportional to 9,555.28, 13,186.32 and 5,363.56 is: 7,401.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.28 : 13,186.32 = 5,363.56 : x
  2. Step 2: Convert to fraction form
    9,555.28/13,186.32 = 5,363.56/x
  3. Step 3: Cross multiply
    9,555.28x = 13,186.32 × 5,363.56
  4. Step 4: Simplify right side
    9,555.28x = 70,725,618.50
  5. Step 5: Solve for x
    x = 70,725,618.50/9,555.28
  6. Step 6: Final answer
    x = 7,401.73

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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.