Home / 10,528.80-15,793.19-3,603.30

Finding the Fourth Proportional to 10,528.80, 15,793.19 and 3,603.30

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Solution

The fourth proportional to 10,528.80, 15,793.19 and 3,603.30 is: 5,404.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.80 : 15,793.19 = 3,603.30 : x
  2. Step 2: Convert to fraction form
    10,528.80/15,793.19 = 3,603.30/x
  3. Step 3: Cross multiply
    10,528.80x = 15,793.19 × 3,603.30
  4. Step 4: Simplify right side
    10,528.80x = 56,907,601.53
  5. Step 5: Solve for x
    x = 56,907,601.53/10,528.80
  6. Step 6: Final answer
    x = 5,404.95

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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.