Home / 11,555.88-15,947.08-6,250.68

Finding the Fourth Proportional to 11,555.88, 15,947.08 and 6,250.68

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Solution

The fourth proportional to 11,555.88, 15,947.08 and 6,250.68 is: 8,625.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.88 : 15,947.08 = 6,250.68 : x
  2. Step 2: Convert to fraction form
    11,555.88/15,947.08 = 6,250.68/x
  3. Step 3: Cross multiply
    11,555.88x = 15,947.08 × 6,250.68
  4. Step 4: Simplify right side
    11,555.88x = 99,680,078.39
  5. Step 5: Solve for x
    x = 99,680,078.39/11,555.88
  6. Step 6: Final answer
    x = 8,625.92

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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.