Home / 9,451.60-13,061.20-7,089.64

Finding the Fourth Proportional to 9,451.60, 13,061.20 and 7,089.64

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Solution

The fourth proportional to 9,451.60, 13,061.20 and 7,089.64 is: 9,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,451.60 : 13,061.20 = 7,089.64 : x
  2. Step 2: Convert to fraction form
    9,451.60/13,061.20 = 7,089.64/x
  3. Step 3: Cross multiply
    9,451.60x = 13,061.20 × 7,089.64
  4. Step 4: Simplify right side
    9,451.60x = 92,599,205.97
  5. Step 5: Solve for x
    x = 92,599,205.97/9,451.60
  6. Step 6: Final answer
    x = 9,797.20

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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.