Home / 11,874.04-16,387.71-6,838.47

Finding the Fourth Proportional to 11,874.04, 16,387.71 and 6,838.47

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Solution

The fourth proportional to 11,874.04, 16,387.71 and 6,838.47 is: 9,437.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,874.04 : 16,387.71 = 6,838.47 : x
  2. Step 2: Convert to fraction form
    11,874.04/16,387.71 = 6,838.47/x
  3. Step 3: Cross multiply
    11,874.04x = 16,387.71 × 6,838.47
  4. Step 4: Simplify right side
    11,874.04x = 112,066,863.20
  5. Step 5: Solve for x
    x = 112,066,863.20/11,874.04
  6. Step 6: Final answer
    x = 9,437.97

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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.