Home / 7,616.05-10,512.25-4,781.45

Finding the Fourth Proportional to 7,616.05, 10,512.25 and 4,781.45

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Solution

The fourth proportional to 7,616.05, 10,512.25 and 4,781.45 is: 6,599.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.05 : 10,512.25 = 4,781.45 : x
  2. Step 2: Convert to fraction form
    7,616.05/10,512.25 = 4,781.45/x
  3. Step 3: Cross multiply
    7,616.05x = 10,512.25 × 4,781.45
  4. Step 4: Simplify right side
    7,616.05x = 50,263,812.09
  5. Step 5: Solve for x
    x = 50,263,812.09/7,616.05
  6. Step 6: Final answer
    x = 6,599.72

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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.