Home / 12,116.16-16,787.76-11,853.72

Finding the Fourth Proportional to 12,116.16, 16,787.76 and 11,853.72

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Solution

The fourth proportional to 12,116.16, 16,787.76 and 11,853.72 is: 16,424.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116.16 : 16,787.76 = 11,853.72 : x
  2. Step 2: Convert to fraction form
    12,116.16/16,787.76 = 11,853.72/x
  3. Step 3: Cross multiply
    12,116.16x = 16,787.76 × 11,853.72
  4. Step 4: Simplify right side
    12,116.16x = 198,997,406.47
  5. Step 5: Solve for x
    x = 198,997,406.47/12,116.16
  6. Step 6: Final answer
    x = 16,424.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.