Home / 11,022.49-15,210.53-6,242.33

Finding the Fourth Proportional to 11,022.49, 15,210.53 and 6,242.33

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Solution

The fourth proportional to 11,022.49, 15,210.53 and 6,242.33 is: 8,614.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.49 : 15,210.53 = 6,242.33 : x
  2. Step 2: Convert to fraction form
    11,022.49/15,210.53 = 6,242.33/x
  3. Step 3: Cross multiply
    11,022.49x = 15,210.53 × 6,242.33
  4. Step 4: Simplify right side
    11,022.49x = 94,949,147.73
  5. Step 5: Solve for x
    x = 94,949,147.73/11,022.49
  6. Step 6: Final answer
    x = 8,614.13

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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.