Home / 10,947.88-15,108.01-6,167.81

Finding the Fourth Proportional to 10,947.88, 15,108.01 and 6,167.81

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Solution

The fourth proportional to 10,947.88, 15,108.01 and 6,167.81 is: 8,511.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.88 : 15,108.01 = 6,167.81 : x
  2. Step 2: Convert to fraction form
    10,947.88/15,108.01 = 6,167.81/x
  3. Step 3: Cross multiply
    10,947.88x = 15,108.01 × 6,167.81
  4. Step 4: Simplify right side
    10,947.88x = 93,183,335.16
  5. Step 5: Solve for x
    x = 93,183,335.16/10,947.88
  6. Step 6: Final answer
    x = 8,511.54

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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.