Home / 7,867.19-11,800.82-1,944.07

Finding the Fourth Proportional to 7,867.19, 11,800.82 and 1,944.07

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Solution

The fourth proportional to 7,867.19, 11,800.82 and 1,944.07 is: 2,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.19 : 11,800.82 = 1,944.07 : x
  2. Step 2: Convert to fraction form
    7,867.19/11,800.82 = 1,944.07/x
  3. Step 3: Cross multiply
    7,867.19x = 11,800.82 × 1,944.07
  4. Step 4: Simplify right side
    7,867.19x = 22,941,595.50
  5. Step 5: Solve for x
    x = 22,941,595.50/7,867.19
  6. Step 6: Final answer
    x = 2,916.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.