Home / 11,716.47-17,574.91-4,317.12

Finding the Fourth Proportional to 11,716.47, 17,574.91 and 4,317.12

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Solution

The fourth proportional to 11,716.47, 17,574.91 and 4,317.12 is: 6,475.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.47 : 17,574.91 = 4,317.12 : x
  2. Step 2: Convert to fraction form
    11,716.47/17,574.91 = 4,317.12/x
  3. Step 3: Cross multiply
    11,716.47x = 17,574.91 × 4,317.12
  4. Step 4: Simplify right side
    11,716.47x = 75,872,995.46
  5. Step 5: Solve for x
    x = 75,872,995.46/11,716.47
  6. Step 6: Final answer
    x = 6,475.76

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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.