Home / 9,001.57-13,490.04-5,716.96

Finding the Fourth Proportional to 9,001.57, 13,490.04 and 5,716.96

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Solution

The fourth proportional to 9,001.57, 13,490.04 and 5,716.96 is: 8,567.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.57 : 13,490.04 = 5,716.96 : x
  2. Step 2: Convert to fraction form
    9,001.57/13,490.04 = 5,716.96/x
  3. Step 3: Cross multiply
    9,001.57x = 13,490.04 × 5,716.96
  4. Step 4: Simplify right side
    9,001.57x = 77,122,019.08
  5. Step 5: Solve for x
    x = 77,122,019.08/9,001.57
  6. Step 6: Final answer
    x = 8,567.62

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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.