Home / 10,822.50-16,221.45-4,578.62

Finding the Fourth Proportional to 10,822.50, 16,221.45 and 4,578.62

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Solution

The fourth proportional to 10,822.50, 16,221.45 and 4,578.62 is: 6,862.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.50 : 16,221.45 = 4,578.62 : x
  2. Step 2: Convert to fraction form
    10,822.50/16,221.45 = 4,578.62/x
  3. Step 3: Cross multiply
    10,822.50x = 16,221.45 × 4,578.62
  4. Step 4: Simplify right side
    10,822.50x = 74,271,855.40
  5. Step 5: Solve for x
    x = 74,271,855.40/10,822.50
  6. Step 6: Final answer
    x = 6,862.73

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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.