Home / 10,091.18-13,929.64-6,732.79

Finding the Fourth Proportional to 10,091.18, 13,929.64 and 6,732.79

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Solution

The fourth proportional to 10,091.18, 13,929.64 and 6,732.79 is: 9,293.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.18 : 13,929.64 = 6,732.79 : x
  2. Step 2: Convert to fraction form
    10,091.18/13,929.64 = 6,732.79/x
  3. Step 3: Cross multiply
    10,091.18x = 13,929.64 × 6,732.79
  4. Step 4: Simplify right side
    10,091.18x = 93,785,289.24
  5. Step 5: Solve for x
    x = 93,785,289.24/10,091.18
  6. Step 6: Final answer
    x = 9,293.79

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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.