Home / 7,616.96-10,514.58-5,520.68

Finding the Fourth Proportional to 7,616.96, 10,514.58 and 5,520.68

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Solution

The fourth proportional to 7,616.96, 10,514.58 and 5,520.68 is: 7,620.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.96 : 10,514.58 = 5,520.68 : x
  2. Step 2: Convert to fraction form
    7,616.96/10,514.58 = 5,520.68/x
  3. Step 3: Cross multiply
    7,616.96x = 10,514.58 × 5,520.68
  4. Step 4: Simplify right side
    7,616.96x = 58,047,631.51
  5. Step 5: Solve for x
    x = 58,047,631.51/7,616.96
  6. Step 6: Final answer
    x = 7,620.84

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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.