Home / 7,309.42-10,965.86-2,379.06

Finding the Fourth Proportional to 7,309.42, 10,965.86 and 2,379.06

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Solution

The fourth proportional to 7,309.42, 10,965.86 and 2,379.06 is: 3,569.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.42 : 10,965.86 = 2,379.06 : x
  2. Step 2: Convert to fraction form
    7,309.42/10,965.86 = 2,379.06/x
  3. Step 3: Cross multiply
    7,309.42x = 10,965.86 × 2,379.06
  4. Step 4: Simplify right side
    7,309.42x = 26,088,394.80
  5. Step 5: Solve for x
    x = 26,088,394.80/7,309.42
  6. Step 6: Final answer
    x = 3,569.15

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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.