Home / 8,882.98-13,321.60-4,720.62

Finding the Fourth Proportional to 8,882.98, 13,321.60 and 4,720.62

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Solution

The fourth proportional to 8,882.98, 13,321.60 and 4,720.62 is: 7,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.98 : 13,321.60 = 4,720.62 : x
  2. Step 2: Convert to fraction form
    8,882.98/13,321.60 = 4,720.62/x
  3. Step 3: Cross multiply
    8,882.98x = 13,321.60 × 4,720.62
  4. Step 4: Simplify right side
    8,882.98x = 62,886,175.79
  5. Step 5: Solve for x
    x = 62,886,175.79/8,882.98
  6. Step 6: Final answer
    x = 7,079.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.