Home / 10,886.59-16,319.49-3,486.36

Finding the Fourth Proportional to 10,886.59, 16,319.49 and 3,486.36

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Solution

The fourth proportional to 10,886.59, 16,319.49 and 3,486.36 is: 5,226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.59 : 16,319.49 = 3,486.36 : x
  2. Step 2: Convert to fraction form
    10,886.59/16,319.49 = 3,486.36/x
  3. Step 3: Cross multiply
    10,886.59x = 16,319.49 × 3,486.36
  4. Step 4: Simplify right side
    10,886.59x = 56,895,617.16
  5. Step 5: Solve for x
    x = 56,895,617.16/10,886.59
  6. Step 6: Final answer
    x = 5,226.21

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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.