Home / 9,502.21-13,112.99-5,310.46

Finding the Fourth Proportional to 9,502.21, 13,112.99 and 5,310.46

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Solution

The fourth proportional to 9,502.21, 13,112.99 and 5,310.46 is: 7,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,502.21 : 13,112.99 = 5,310.46 : x
  2. Step 2: Convert to fraction form
    9,502.21/13,112.99 = 5,310.46/x
  3. Step 3: Cross multiply
    9,502.21x = 13,112.99 × 5,310.46
  4. Step 4: Simplify right side
    9,502.21x = 69,635,949.54
  5. Step 5: Solve for x
    x = 69,635,949.54/9,502.21
  6. Step 6: Final answer
    x = 7,328.40

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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.