Home / 7,277.72-10,020.22-6,612.58

Finding the Fourth Proportional to 7,277.72, 10,020.22 and 6,612.58

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Solution

The fourth proportional to 7,277.72, 10,020.22 and 6,612.58 is: 9,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.72 : 10,020.22 = 6,612.58 : x
  2. Step 2: Convert to fraction form
    7,277.72/10,020.22 = 6,612.58/x
  3. Step 3: Cross multiply
    7,277.72x = 10,020.22 × 6,612.58
  4. Step 4: Simplify right side
    7,277.72x = 66,259,502.36
  5. Step 5: Solve for x
    x = 66,259,502.36/7,277.72
  6. Step 6: Final answer
    x = 9,104.44

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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.