Home / 7,236.08-9,981.64-4,251.37

Finding the Fourth Proportional to 7,236.08, 9,981.64 and 4,251.37

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Solution

The fourth proportional to 7,236.08, 9,981.64 and 4,251.37 is: 5,864.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.08 : 9,981.64 = 4,251.37 : x
  2. Step 2: Convert to fraction form
    7,236.08/9,981.64 = 4,251.37/x
  3. Step 3: Cross multiply
    7,236.08x = 9,981.64 × 4,251.37
  4. Step 4: Simplify right side
    7,236.08x = 42,435,609.26
  5. Step 5: Solve for x
    x = 42,435,609.26/7,236.08
  6. Step 6: Final answer
    x = 5,864.45

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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.