Home / 9,207.54-12,706.67-5,228.55

Finding the Fourth Proportional to 9,207.54, 12,706.67 and 5,228.55

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Solution

The fourth proportional to 9,207.54, 12,706.67 and 5,228.55 is: 7,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.54 : 12,706.67 = 5,228.55 : x
  2. Step 2: Convert to fraction form
    9,207.54/12,706.67 = 5,228.55/x
  3. Step 3: Cross multiply
    9,207.54x = 12,706.67 × 5,228.55
  4. Step 4: Simplify right side
    9,207.54x = 66,437,472.50
  5. Step 5: Solve for x
    x = 66,437,472.50/9,207.54
  6. Step 6: Final answer
    x = 7,215.55

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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.