Home / 10,382.13-14,327.68-5,905.77

Finding the Fourth Proportional to 10,382.13, 14,327.68 and 5,905.77

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Solution

The fourth proportional to 10,382.13, 14,327.68 and 5,905.77 is: 8,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.13 : 14,327.68 = 5,905.77 : x
  2. Step 2: Convert to fraction form
    10,382.13/14,327.68 = 5,905.77/x
  3. Step 3: Cross multiply
    10,382.13x = 14,327.68 × 5,905.77
  4. Step 4: Simplify right side
    10,382.13x = 84,615,967.95
  5. Step 5: Solve for x
    x = 84,615,967.95/10,382.13
  6. Step 6: Final answer
    x = 8,150.15

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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.