Home / 10,569.92-15,853.68-2,779.34

Finding the Fourth Proportional to 10,569.92, 15,853.68 and 2,779.34

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Solution

The fourth proportional to 10,569.92, 15,853.68 and 2,779.34 is: 4,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,569.92 : 15,853.68 = 2,779.34 : x
  2. Step 2: Convert to fraction form
    10,569.92/15,853.68 = 2,779.34/x
  3. Step 3: Cross multiply
    10,569.92x = 15,853.68 × 2,779.34
  4. Step 4: Simplify right side
    10,569.92x = 44,062,766.97
  5. Step 5: Solve for x
    x = 44,062,766.97/10,569.92
  6. Step 6: Final answer
    x = 4,168.69

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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.