Home / 7,424.11-10,244.88-4,066.30

Finding the Fourth Proportional to 7,424.11, 10,244.88 and 4,066.30

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Solution

The fourth proportional to 7,424.11, 10,244.88 and 4,066.30 is: 5,611.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.11 : 10,244.88 = 4,066.30 : x
  2. Step 2: Convert to fraction form
    7,424.11/10,244.88 = 4,066.30/x
  3. Step 3: Cross multiply
    7,424.11x = 10,244.88 × 4,066.30
  4. Step 4: Simplify right side
    7,424.11x = 41,658,768.35
  5. Step 5: Solve for x
    x = 41,658,768.35/7,424.11
  6. Step 6: Final answer
    x = 5,611.28

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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.