Home / 10,854.90-16,282.32-3,459.36

Finding the Fourth Proportional to 10,854.90, 16,282.32 and 3,459.36

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Solution

The fourth proportional to 10,854.90, 16,282.32 and 3,459.36 is: 5,189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,854.90 : 16,282.32 = 3,459.36 : x
  2. Step 2: Convert to fraction form
    10,854.90/16,282.32 = 3,459.36/x
  3. Step 3: Cross multiply
    10,854.90x = 16,282.32 × 3,459.36
  4. Step 4: Simplify right side
    10,854.90x = 56,326,406.52
  5. Step 5: Solve for x
    x = 56,326,406.52/10,854.90
  6. Step 6: Final answer
    x = 5,189.03

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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.