Home / 10,209.24-15,324.59-9,046.69

Finding the Fourth Proportional to 10,209.24, 15,324.59 and 9,046.69

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Solution

The fourth proportional to 10,209.24, 15,324.59 and 9,046.69 is: 13,579.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.24 : 15,324.59 = 9,046.69 : x
  2. Step 2: Convert to fraction form
    10,209.24/15,324.59 = 9,046.69/x
  3. Step 3: Cross multiply
    10,209.24x = 15,324.59 × 9,046.69
  4. Step 4: Simplify right side
    10,209.24x = 138,636,799.41
  5. Step 5: Solve for x
    x = 138,636,799.41/10,209.24
  6. Step 6: Final answer
    x = 13,579.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.