Home / 10,829.35-14,947.91-6,354.91

Finding the Fourth Proportional to 10,829.35, 14,947.91 and 6,354.91

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Solution

The fourth proportional to 10,829.35, 14,947.91 and 6,354.91 is: 8,771.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,829.35 : 14,947.91 = 6,354.91 : x
  2. Step 2: Convert to fraction form
    10,829.35/14,947.91 = 6,354.91/x
  3. Step 3: Cross multiply
    10,829.35x = 14,947.91 × 6,354.91
  4. Step 4: Simplify right side
    10,829.35x = 94,992,622.74
  5. Step 5: Solve for x
    x = 94,992,622.74/10,829.35
  6. Step 6: Final answer
    x = 8,771.78

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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.