Home / 11,700.90-16,148.28-6,664.02

Finding the Fourth Proportional to 11,700.90, 16,148.28 and 6,664.02

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Solution

The fourth proportional to 11,700.90, 16,148.28 and 6,664.02 is: 9,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.90 : 16,148.28 = 6,664.02 : x
  2. Step 2: Convert to fraction form
    11,700.90/16,148.28 = 6,664.02/x
  3. Step 3: Cross multiply
    11,700.90x = 16,148.28 × 6,664.02
  4. Step 4: Simplify right side
    11,700.90x = 107,612,460.89
  5. Step 5: Solve for x
    x = 107,612,460.89/11,700.90
  6. Step 6: Final answer
    x = 9,196.94

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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.