Home / 10,867.31-16,303.02-3,749.66

Finding the Fourth Proportional to 10,867.31, 16,303.02 and 3,749.66

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Solution

The fourth proportional to 10,867.31, 16,303.02 and 3,749.66 is: 5,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867.31 : 16,303.02 = 3,749.66 : x
  2. Step 2: Convert to fraction form
    10,867.31/16,303.02 = 3,749.66/x
  3. Step 3: Cross multiply
    10,867.31x = 16,303.02 × 3,749.66
  4. Step 4: Simplify right side
    10,867.31x = 61,130,781.97
  5. Step 5: Solve for x
    x = 61,130,781.97/10,867.31
  6. Step 6: Final answer
    x = 5,625.20

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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.