Home / 9,345.27-12,895.11-5,366.55

Finding the Fourth Proportional to 9,345.27, 12,895.11 and 5,366.55

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Solution

The fourth proportional to 9,345.27, 12,895.11 and 5,366.55 is: 7,405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345.27 : 12,895.11 = 5,366.55 : x
  2. Step 2: Convert to fraction form
    9,345.27/12,895.11 = 5,366.55/x
  3. Step 3: Cross multiply
    9,345.27x = 12,895.11 × 5,366.55
  4. Step 4: Simplify right side
    9,345.27x = 69,202,252.57
  5. Step 5: Solve for x
    x = 69,202,252.57/9,345.27
  6. Step 6: Final answer
    x = 7,405.06

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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.