Home / 11,856.18-17,784.29-11,134.47

Finding the Fourth Proportional to 11,856.18, 17,784.29 and 11,134.47

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Solution

The fourth proportional to 11,856.18, 17,784.29 and 11,134.47 is: 16,701.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.18 : 17,784.29 = 11,134.47 : x
  2. Step 2: Convert to fraction form
    11,856.18/17,784.29 = 11,134.47/x
  3. Step 3: Cross multiply
    11,856.18x = 17,784.29 × 11,134.47
  4. Step 4: Simplify right side
    11,856.18x = 198,018,643.48
  5. Step 5: Solve for x
    x = 198,018,643.48/11,856.18
  6. Step 6: Final answer
    x = 16,701.72

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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.