Home / 10,484.92-15,725.58-3,909.34

Finding the Fourth Proportional to 10,484.92, 15,725.58 and 3,909.34

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Solution

The fourth proportional to 10,484.92, 15,725.58 and 3,909.34 is: 5,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,484.92 : 15,725.58 = 3,909.34 : x
  2. Step 2: Convert to fraction form
    10,484.92/15,725.58 = 3,909.34/x
  3. Step 3: Cross multiply
    10,484.92x = 15,725.58 × 3,909.34
  4. Step 4: Simplify right side
    10,484.92x = 61,476,638.92
  5. Step 5: Solve for x
    x = 61,476,638.92/10,484.92
  6. Step 6: Final answer
    x = 5,863.34

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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.