Home / 10,933.80-16,400.70-9,508.20

Finding the Fourth Proportional to 10,933.80, 16,400.70 and 9,508.20

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Solution

The fourth proportional to 10,933.80, 16,400.70 and 9,508.20 is: 14,262.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.80 : 16,400.70 = 9,508.20 : x
  2. Step 2: Convert to fraction form
    10,933.80/16,400.70 = 9,508.20/x
  3. Step 3: Cross multiply
    10,933.80x = 16,400.70 × 9,508.20
  4. Step 4: Simplify right side
    10,933.80x = 155,941,135.74
  5. Step 5: Solve for x
    x = 155,941,135.74/10,933.80
  6. Step 6: Final answer
    x = 14,262.30

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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.