Home / 10,382.21-14,327.47-5,666.49

Finding the Fourth Proportional to 10,382.21, 14,327.47 and 5,666.49

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Solution

The fourth proportional to 10,382.21, 14,327.47 and 5,666.49 is: 7,819.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.21 : 14,327.47 = 5,666.49 : x
  2. Step 2: Convert to fraction form
    10,382.21/14,327.47 = 5,666.49/x
  3. Step 3: Cross multiply
    10,382.21x = 14,327.47 × 5,666.49
  4. Step 4: Simplify right side
    10,382.21x = 81,186,437.15
  5. Step 5: Solve for x
    x = 81,186,437.15/10,382.21
  6. Step 6: Final answer
    x = 7,819.76

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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.