Home / 11,552.68-15,942.69-6,247.51

Finding the Fourth Proportional to 11,552.68, 15,942.69 and 6,247.51

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Solution

The fourth proportional to 11,552.68, 15,942.69 and 6,247.51 is: 8,621.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552.68 : 15,942.69 = 6,247.51 : x
  2. Step 2: Convert to fraction form
    11,552.68/15,942.69 = 6,247.51/x
  3. Step 3: Cross multiply
    11,552.68x = 15,942.69 × 6,247.51
  4. Step 4: Simplify right side
    11,552.68x = 99,602,115.20
  5. Step 5: Solve for x
    x = 99,602,115.20/11,552.68
  6. Step 6: Final answer
    x = 8,621.56

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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.