Home / 9,892.39-13,651.66-5,416.07

Finding the Fourth Proportional to 9,892.39, 13,651.66 and 5,416.07

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Solution

The fourth proportional to 9,892.39, 13,651.66 and 5,416.07 is: 7,474.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,892.39 : 13,651.66 = 5,416.07 : x
  2. Step 2: Convert to fraction form
    9,892.39/13,651.66 = 5,416.07/x
  3. Step 3: Cross multiply
    9,892.39x = 13,651.66 × 5,416.07
  4. Step 4: Simplify right side
    9,892.39x = 73,938,346.18
  5. Step 5: Solve for x
    x = 73,938,346.18/9,892.39
  6. Step 6: Final answer
    x = 7,474.27

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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.