Home / 9,207.11-12,706.53-5,229.47

Finding the Fourth Proportional to 9,207.11, 12,706.53 and 5,229.47

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Solution

The fourth proportional to 9,207.11, 12,706.53 and 5,229.47 is: 7,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.11 : 12,706.53 = 5,229.47 : x
  2. Step 2: Convert to fraction form
    9,207.11/12,706.53 = 5,229.47/x
  3. Step 3: Cross multiply
    9,207.11x = 12,706.53 × 5,229.47
  4. Step 4: Simplify right side
    9,207.11x = 66,448,417.44
  5. Step 5: Solve for x
    x = 66,448,417.44/9,207.11
  6. Step 6: Final answer
    x = 7,217.08

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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.