Home / 7,699.24-10,624.62-4,720.12

Finding the Fourth Proportional to 7,699.24, 10,624.62 and 4,720.12

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Solution

The fourth proportional to 7,699.24, 10,624.62 and 4,720.12 is: 6,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,699.24 : 10,624.62 = 4,720.12 : x
  2. Step 2: Convert to fraction form
    7,699.24/10,624.62 = 4,720.12/x
  3. Step 3: Cross multiply
    7,699.24x = 10,624.62 × 4,720.12
  4. Step 4: Simplify right side
    7,699.24x = 50,149,481.35
  5. Step 5: Solve for x
    x = 50,149,481.35/7,699.24
  6. Step 6: Final answer
    x = 6,513.56

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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.