Home / 9,342.27-12,890.97-5,363.55

Finding the Fourth Proportional to 9,342.27, 12,890.97 and 5,363.55

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Solution

The fourth proportional to 9,342.27, 12,890.97 and 5,363.55 is: 7,400.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342.27 : 12,890.97 = 5,363.55 : x
  2. Step 2: Convert to fraction form
    9,342.27/12,890.97 = 5,363.55/x
  3. Step 3: Cross multiply
    9,342.27x = 12,890.97 × 5,363.55
  4. Step 4: Simplify right side
    9,342.27x = 69,141,362.14
  5. Step 5: Solve for x
    x = 69,141,362.14/9,342.27
  6. Step 6: Final answer
    x = 7,400.92

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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.