Home / 9,314.11-12,854.07-5,122.36

Finding the Fourth Proportional to 9,314.11, 12,854.07 and 5,122.36

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Solution

The fourth proportional to 9,314.11, 12,854.07 and 5,122.36 is: 7,069.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,314.11 : 12,854.07 = 5,122.36 : x
  2. Step 2: Convert to fraction form
    9,314.11/12,854.07 = 5,122.36/x
  3. Step 3: Cross multiply
    9,314.11x = 12,854.07 × 5,122.36
  4. Step 4: Simplify right side
    9,314.11x = 65,843,174.01
  5. Step 5: Solve for x
    x = 65,843,174.01/9,314.11
  6. Step 6: Final answer
    x = 7,069.19

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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.