Home / 8,988.33-12,409.07-6,847.05

Finding the Fourth Proportional to 8,988.33, 12,409.07 and 6,847.05

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Solution

The fourth proportional to 8,988.33, 12,409.07 and 6,847.05 is: 9,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.33 : 12,409.07 = 6,847.05 : x
  2. Step 2: Convert to fraction form
    8,988.33/12,409.07 = 6,847.05/x
  3. Step 3: Cross multiply
    8,988.33x = 12,409.07 × 6,847.05
  4. Step 4: Simplify right side
    8,988.33x = 84,965,522.74
  5. Step 5: Solve for x
    x = 84,965,522.74/8,988.33
  6. Step 6: Final answer
    x = 9,452.87

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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.