Home / 8,972.58-13,459.89-2,399.04

Finding the Fourth Proportional to 8,972.58, 13,459.89 and 2,399.04

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Solution

The fourth proportional to 8,972.58, 13,459.89 and 2,399.04 is: 3,598.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.58 : 13,459.89 = 2,399.04 : x
  2. Step 2: Convert to fraction form
    8,972.58/13,459.89 = 2,399.04/x
  3. Step 3: Cross multiply
    8,972.58x = 13,459.89 × 2,399.04
  4. Step 4: Simplify right side
    8,972.58x = 32,290,814.51
  5. Step 5: Solve for x
    x = 32,290,814.51/8,972.58
  6. Step 6: Final answer
    x = 3,598.83

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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.