Home / 10,550.74-15,822.60-3,885.70

Finding the Fourth Proportional to 10,550.74, 15,822.60 and 3,885.70

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Solution

The fourth proportional to 10,550.74, 15,822.60 and 3,885.70 is: 5,827.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550.74 : 15,822.60 = 3,885.70 : x
  2. Step 2: Convert to fraction form
    10,550.74/15,822.60 = 3,885.70/x
  3. Step 3: Cross multiply
    10,550.74x = 15,822.60 × 3,885.70
  4. Step 4: Simplify right side
    10,550.74x = 61,481,876.82
  5. Step 5: Solve for x
    x = 61,481,876.82/10,550.74
  6. Step 6: Final answer
    x = 5,827.26

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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.