Home / 11,809.16-16,304.48-7,339.58

Finding the Fourth Proportional to 11,809.16, 16,304.48 and 7,339.58

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Solution

The fourth proportional to 11,809.16, 16,304.48 and 7,339.58 is: 10,133.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.16 : 16,304.48 = 7,339.58 : x
  2. Step 2: Convert to fraction form
    11,809.16/16,304.48 = 7,339.58/x
  3. Step 3: Cross multiply
    11,809.16x = 16,304.48 × 7,339.58
  4. Step 4: Simplify right side
    11,809.16x = 119,667,917.10
  5. Step 5: Solve for x
    x = 119,667,917.10/11,809.16
  6. Step 6: Final answer
    x = 10,133.49

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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.