Home / 8,744.44-12,070.46-5,207.57

Finding the Fourth Proportional to 8,744.44, 12,070.46 and 5,207.57

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Solution

The fourth proportional to 8,744.44, 12,070.46 and 5,207.57 is: 7,188.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.44 : 12,070.46 = 5,207.57 : x
  2. Step 2: Convert to fraction form
    8,744.44/12,070.46 = 5,207.57/x
  3. Step 3: Cross multiply
    8,744.44x = 12,070.46 × 5,207.57
  4. Step 4: Simplify right side
    8,744.44x = 62,857,808.58
  5. Step 5: Solve for x
    x = 62,857,808.58/8,744.44
  6. Step 6: Final answer
    x = 7,188.32

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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.