Home / 9,207.50-12,706.35-5,015.75

Finding the Fourth Proportional to 9,207.50, 12,706.35 and 5,015.75

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Solution

The fourth proportional to 9,207.50, 12,706.35 and 5,015.75 is: 6,921.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.50 : 12,706.35 = 5,015.75 : x
  2. Step 2: Convert to fraction form
    9,207.50/12,706.35 = 5,015.75/x
  3. Step 3: Cross multiply
    9,207.50x = 12,706.35 × 5,015.75
  4. Step 4: Simplify right side
    9,207.50x = 63,731,792.67
  5. Step 5: Solve for x
    x = 63,731,792.67/9,207.50
  6. Step 6: Final answer
    x = 6,921.73

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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.