Home / 8,744.39-12,066.67-5,159.16

Finding the Fourth Proportional to 8,744.39, 12,066.67 and 5,159.16

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Solution

The fourth proportional to 8,744.39, 12,066.67 and 5,159.16 is: 7,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.39 : 12,066.67 = 5,159.16 : x
  2. Step 2: Convert to fraction form
    8,744.39/12,066.67 = 5,159.16/x
  3. Step 3: Cross multiply
    8,744.39x = 12,066.67 × 5,159.16
  4. Step 4: Simplify right side
    8,744.39x = 62,253,887.65
  5. Step 5: Solve for x
    x = 62,253,887.65/8,744.39
  6. Step 6: Final answer
    x = 7,119.30

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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.