Home / 9,097.90-13,646.98-2,857.66

Finding the Fourth Proportional to 9,097.90, 13,646.98 and 2,857.66

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Solution

The fourth proportional to 9,097.90, 13,646.98 and 2,857.66 is: 4,286.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,097.90 : 13,646.98 = 2,857.66 : x
  2. Step 2: Convert to fraction form
    9,097.90/13,646.98 = 2,857.66/x
  3. Step 3: Cross multiply
    9,097.90x = 13,646.98 × 2,857.66
  4. Step 4: Simplify right side
    9,097.90x = 38,998,428.87
  5. Step 5: Solve for x
    x = 38,998,428.87/9,097.90
  6. Step 6: Final answer
    x = 4,286.53

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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.