Home / 11,828.52-17,746.11-3,931.74

Finding the Fourth Proportional to 11,828.52, 17,746.11 and 3,931.74

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Solution

The fourth proportional to 11,828.52, 17,746.11 and 3,931.74 is: 5,898.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,828.52 : 17,746.11 = 3,931.74 : x
  2. Step 2: Convert to fraction form
    11,828.52/17,746.11 = 3,931.74/x
  3. Step 3: Cross multiply
    11,828.52x = 17,746.11 × 3,931.74
  4. Step 4: Simplify right side
    11,828.52x = 69,773,090.53
  5. Step 5: Solve for x
    x = 69,773,090.53/11,828.52
  6. Step 6: Final answer
    x = 5,898.72

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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.