Home / 9,325.91-12,865.70-5,346.11

Finding the Fourth Proportional to 9,325.91, 12,865.70 and 5,346.11

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Solution

The fourth proportional to 9,325.91, 12,865.70 and 5,346.11 is: 7,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325.91 : 12,865.70 = 5,346.11 : x
  2. Step 2: Convert to fraction form
    9,325.91/12,865.70 = 5,346.11/x
  3. Step 3: Cross multiply
    9,325.91x = 12,865.70 × 5,346.11
  4. Step 4: Simplify right side
    9,325.91x = 68,781,396.46
  5. Step 5: Solve for x
    x = 68,781,396.46/9,325.91
  6. Step 6: Final answer
    x = 7,375.31

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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.