Home / 8,717.50-12,013.35-5,568.22

Finding the Fourth Proportional to 8,717.50, 12,013.35 and 5,568.22

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Solution

The fourth proportional to 8,717.50, 12,013.35 and 5,568.22 is: 7,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.50 : 12,013.35 = 5,568.22 : x
  2. Step 2: Convert to fraction form
    8,717.50/12,013.35 = 5,568.22/x
  3. Step 3: Cross multiply
    8,717.50x = 12,013.35 × 5,568.22
  4. Step 4: Simplify right side
    8,717.50x = 66,892,975.74
  5. Step 5: Solve for x
    x = 66,892,975.74/8,717.50
  6. Step 6: Final answer
    x = 7,673.41

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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.