Home / 7,436.28-10,247.92-5,447.44

Finding the Fourth Proportional to 7,436.28, 10,247.92 and 5,447.44

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Solution

The fourth proportional to 7,436.28, 10,247.92 and 5,447.44 is: 7,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.28 : 10,247.92 = 5,447.44 : x
  2. Step 2: Convert to fraction form
    7,436.28/10,247.92 = 5,447.44/x
  3. Step 3: Cross multiply
    7,436.28x = 10,247.92 × 5,447.44
  4. Step 4: Simplify right side
    7,436.28x = 55,824,929.32
  5. Step 5: Solve for x
    x = 55,824,929.32/7,436.28
  6. Step 6: Final answer
    x = 7,507.10

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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.