Home / 11,983.19-16,536.15-6,605.46

Finding the Fourth Proportional to 11,983.19, 16,536.15 and 6,605.46

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Solution

The fourth proportional to 11,983.19, 16,536.15 and 6,605.46 is: 9,115.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,983.19 : 16,536.15 = 6,605.46 : x
  2. Step 2: Convert to fraction form
    11,983.19/16,536.15 = 6,605.46/x
  3. Step 3: Cross multiply
    11,983.19x = 16,536.15 × 6,605.46
  4. Step 4: Simplify right side
    11,983.19x = 109,228,877.38
  5. Step 5: Solve for x
    x = 109,228,877.38/11,983.19
  6. Step 6: Final answer
    x = 9,115.18

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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.