Home / 11,631.59-16,053.12-11,314.94

Finding the Fourth Proportional to 11,631.59, 16,053.12 and 11,314.94

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Solution

The fourth proportional to 11,631.59, 16,053.12 and 11,314.94 is: 15,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.59 : 16,053.12 = 11,314.94 : x
  2. Step 2: Convert to fraction form
    11,631.59/16,053.12 = 11,314.94/x
  3. Step 3: Cross multiply
    11,631.59x = 16,053.12 × 11,314.94
  4. Step 4: Simplify right side
    11,631.59x = 181,640,009.35
  5. Step 5: Solve for x
    x = 181,640,009.35/11,631.59
  6. Step 6: Final answer
    x = 15,616.10

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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.