Home / 9,366.11-12,925.22-5,387.12

Finding the Fourth Proportional to 9,366.11, 12,925.22 and 5,387.12

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Solution

The fourth proportional to 9,366.11, 12,925.22 and 5,387.12 is: 7,434.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,366.11 : 12,925.22 = 5,387.12 : x
  2. Step 2: Convert to fraction form
    9,366.11/12,925.22 = 5,387.12/x
  3. Step 3: Cross multiply
    9,366.11x = 12,925.22 × 5,387.12
  4. Step 4: Simplify right side
    9,366.11x = 69,629,619.60
  5. Step 5: Solve for x
    x = 69,629,619.60/9,366.11
  6. Step 6: Final answer
    x = 7,434.21

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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.