Home / 7,244.44-9,987.76-5,226.16

Finding the Fourth Proportional to 7,244.44, 9,987.76 and 5,226.16

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Solution

The fourth proportional to 7,244.44, 9,987.76 and 5,226.16 is: 7,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244.44 : 9,987.76 = 5,226.16 : x
  2. Step 2: Convert to fraction form
    7,244.44/9,987.76 = 5,226.16/x
  3. Step 3: Cross multiply
    7,244.44x = 9,987.76 × 5,226.16
  4. Step 4: Simplify right side
    7,244.44x = 52,197,631.80
  5. Step 5: Solve for x
    x = 52,197,631.80/7,244.44
  6. Step 6: Final answer
    x = 7,205.20

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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.