Home / 11,933.32-17,900.04-4,140.28

Finding the Fourth Proportional to 11,933.32, 17,900.04 and 4,140.28

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Solution

The fourth proportional to 11,933.32, 17,900.04 and 4,140.28 is: 6,210.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.32 : 17,900.04 = 4,140.28 : x
  2. Step 2: Convert to fraction form
    11,933.32/17,900.04 = 4,140.28/x
  3. Step 3: Cross multiply
    11,933.32x = 17,900.04 × 4,140.28
  4. Step 4: Simplify right side
    11,933.32x = 74,111,177.61
  5. Step 5: Solve for x
    x = 74,111,177.61/11,933.32
  6. Step 6: Final answer
    x = 6,210.44

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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.