Home / 10,929.88-16,411.18-6,255.16

Finding the Fourth Proportional to 10,929.88, 16,411.18 and 6,255.16

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Solution

The fourth proportional to 10,929.88, 16,411.18 and 6,255.16 is: 9,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.88 : 16,411.18 = 6,255.16 : x
  2. Step 2: Convert to fraction form
    10,929.88/16,411.18 = 6,255.16/x
  3. Step 3: Cross multiply
    10,929.88x = 16,411.18 × 6,255.16
  4. Step 4: Simplify right side
    10,929.88x = 102,654,556.69
  5. Step 5: Solve for x
    x = 102,654,556.69/10,929.88
  6. Step 6: Final answer
    x = 9,392.10

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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.