Home / 6,909.12-10,357.92-3,010.68

Finding the Fourth Proportional to 6,909.12, 10,357.92 and 3,010.68

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Solution

The fourth proportional to 6,909.12, 10,357.92 and 3,010.68 is: 4,513.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.12 : 10,357.92 = 3,010.68 : x
  2. Step 2: Convert to fraction form
    6,909.12/10,357.92 = 3,010.68/x
  3. Step 3: Cross multiply
    6,909.12x = 10,357.92 × 3,010.68
  4. Step 4: Simplify right side
    6,909.12x = 31,184,382.59
  5. Step 5: Solve for x
    x = 31,184,382.59/6,909.12
  6. Step 6: Final answer
    x = 4,513.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.