Home / 8,892.74-13,334.67-5,515.88

Finding the Fourth Proportional to 8,892.74, 13,334.67 and 5,515.88

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Solution

The fourth proportional to 8,892.74, 13,334.67 and 5,515.88 is: 8,271.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.74 : 13,334.67 = 5,515.88 : x
  2. Step 2: Convert to fraction form
    8,892.74/13,334.67 = 5,515.88/x
  3. Step 3: Cross multiply
    8,892.74x = 13,334.67 × 5,515.88
  4. Step 4: Simplify right side
    8,892.74x = 73,552,439.56
  5. Step 5: Solve for x
    x = 73,552,439.56/8,892.74
  6. Step 6: Final answer
    x = 8,271.07

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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.