Home / 10,382.55-14,327.96-5,666.84

Finding the Fourth Proportional to 10,382.55, 14,327.96 and 5,666.84

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Solution

The fourth proportional to 10,382.55, 14,327.96 and 5,666.84 is: 7,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.55 : 14,327.96 = 5,666.84 : x
  2. Step 2: Convert to fraction form
    10,382.55/14,327.96 = 5,666.84/x
  3. Step 3: Cross multiply
    10,382.55x = 14,327.96 × 5,666.84
  4. Step 4: Simplify right side
    10,382.55x = 81,194,218.12
  5. Step 5: Solve for x
    x = 81,194,218.12/10,382.55
  6. Step 6: Final answer
    x = 7,820.25

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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.