Home / 11,411.52-15,743.48-6,694.08

Finding the Fourth Proportional to 11,411.52, 15,743.48 and 6,694.08

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Solution

The fourth proportional to 11,411.52, 15,743.48 and 6,694.08 is: 9,235.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,411.52 : 15,743.48 = 6,694.08 : x
  2. Step 2: Convert to fraction form
    11,411.52/15,743.48 = 6,694.08/x
  3. Step 3: Cross multiply
    11,411.52x = 15,743.48 × 6,694.08
  4. Step 4: Simplify right side
    11,411.52x = 105,388,114.60
  5. Step 5: Solve for x
    x = 105,388,114.60/11,411.52
  6. Step 6: Final answer
    x = 9,235.24

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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.