Home / 7,382.04-10,184.59-4,509.78

Finding the Fourth Proportional to 7,382.04, 10,184.59 and 4,509.78

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Solution

The fourth proportional to 7,382.04, 10,184.59 and 4,509.78 is: 6,221.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.04 : 10,184.59 = 4,509.78 : x
  2. Step 2: Convert to fraction form
    7,382.04/10,184.59 = 4,509.78/x
  3. Step 3: Cross multiply
    7,382.04x = 10,184.59 × 4,509.78
  4. Step 4: Simplify right side
    7,382.04x = 45,930,202.37
  5. Step 5: Solve for x
    x = 45,930,202.37/7,382.04
  6. Step 6: Final answer
    x = 6,221.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.