Home / 9,396.20-12,966.68-5,089.28

Finding the Fourth Proportional to 9,396.20, 12,966.68 and 5,089.28

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Solution

The fourth proportional to 9,396.20, 12,966.68 and 5,089.28 is: 7,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,396.20 : 12,966.68 = 5,089.28 : x
  2. Step 2: Convert to fraction form
    9,396.20/12,966.68 = 5,089.28/x
  3. Step 3: Cross multiply
    9,396.20x = 12,966.68 × 5,089.28
  4. Step 4: Simplify right side
    9,396.20x = 65,991,065.19
  5. Step 5: Solve for x
    x = 65,991,065.19/9,396.20
  6. Step 6: Final answer
    x = 7,023.17

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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.