Home / 10,429.20-15,643.84-3,033.68

Finding the Fourth Proportional to 10,429.20, 15,643.84 and 3,033.68

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Solution

The fourth proportional to 10,429.20, 15,643.84 and 3,033.68 is: 4,550.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.20 : 15,643.84 = 3,033.68 : x
  2. Step 2: Convert to fraction form
    10,429.20/15,643.84 = 3,033.68/x
  3. Step 3: Cross multiply
    10,429.20x = 15,643.84 × 3,033.68
  4. Step 4: Simplify right side
    10,429.20x = 47,458,404.53
  5. Step 5: Solve for x
    x = 47,458,404.53/10,429.20
  6. Step 6: Final answer
    x = 4,550.53

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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.