Home / 10,888.71-16,321.59-4,305.84

Finding the Fourth Proportional to 10,888.71, 16,321.59 and 4,305.84

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Solution

The fourth proportional to 10,888.71, 16,321.59 and 4,305.84 is: 6,454.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.71 : 16,321.59 = 4,305.84 : x
  2. Step 2: Convert to fraction form
    10,888.71/16,321.59 = 4,305.84/x
  3. Step 3: Cross multiply
    10,888.71x = 16,321.59 × 4,305.84
  4. Step 4: Simplify right side
    10,888.71x = 70,278,155.09
  5. Step 5: Solve for x
    x = 70,278,155.09/10,888.71
  6. Step 6: Final answer
    x = 6,454.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.