Home / 11,690.47-16,132.19-6,655.92

Finding the Fourth Proportional to 11,690.47, 16,132.19 and 6,655.92

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Solution

The fourth proportional to 11,690.47, 16,132.19 and 6,655.92 is: 9,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.47 : 16,132.19 = 6,655.92 : x
  2. Step 2: Convert to fraction form
    11,690.47/16,132.19 = 6,655.92/x
  3. Step 3: Cross multiply
    11,690.47x = 16,132.19 × 6,655.92
  4. Step 4: Simplify right side
    11,690.47x = 107,374,566.06
  5. Step 5: Solve for x
    x = 107,374,566.06/11,690.47
  6. Step 6: Final answer
    x = 9,184.79

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1.5x scale

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.