Home / 11,370.64-15,691.54-6,654.02

Finding the Fourth Proportional to 11,370.64, 15,691.54 and 6,654.02

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Solution

The fourth proportional to 11,370.64, 15,691.54 and 6,654.02 is: 9,182.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.64 : 15,691.54 = 6,654.02 : x
  2. Step 2: Convert to fraction form
    11,370.64/15,691.54 = 6,654.02/x
  3. Step 3: Cross multiply
    11,370.64x = 15,691.54 × 6,654.02
  4. Step 4: Simplify right side
    11,370.64x = 104,411,820.99
  5. Step 5: Solve for x
    x = 104,411,820.99/11,370.64
  6. Step 6: Final answer
    x = 9,182.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.