Home / 11,685.18-16,127.46-6,972.24

Finding the Fourth Proportional to 11,685.18, 16,127.46 and 6,972.24

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Solution

The fourth proportional to 11,685.18, 16,127.46 and 6,972.24 is: 9,622.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685.18 : 16,127.46 = 6,972.24 : x
  2. Step 2: Convert to fraction form
    11,685.18/16,127.46 = 6,972.24/x
  3. Step 3: Cross multiply
    11,685.18x = 16,127.46 × 6,972.24
  4. Step 4: Simplify right side
    11,685.18x = 112,444,521.71
  5. Step 5: Solve for x
    x = 112,444,521.71/11,685.18
  6. Step 6: Final answer
    x = 9,622.83

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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.