Home / 10,382.36-14,327.66-5,666.65

Finding the Fourth Proportional to 10,382.36, 14,327.66 and 5,666.65

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Solution

The fourth proportional to 10,382.36, 14,327.66 and 5,666.65 is: 7,819.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.36 : 14,327.66 = 5,666.65 : x
  2. Step 2: Convert to fraction form
    10,382.36/14,327.66 = 5,666.65/x
  3. Step 3: Cross multiply
    10,382.36x = 14,327.66 × 5,666.65
  4. Step 4: Simplify right side
    10,382.36x = 81,189,776.80
  5. Step 5: Solve for x
    x = 81,189,776.80/10,382.36
  6. Step 6: Final answer
    x = 7,819.97

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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.