Home / 10,159.86-14,021.07-6,180.30

Finding the Fourth Proportional to 10,159.86, 14,021.07 and 6,180.30

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Solution

The fourth proportional to 10,159.86, 14,021.07 and 6,180.30 is: 8,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159.86 : 14,021.07 = 6,180.30 : x
  2. Step 2: Convert to fraction form
    10,159.86/14,021.07 = 6,180.30/x
  3. Step 3: Cross multiply
    10,159.86x = 14,021.07 × 6,180.30
  4. Step 4: Simplify right side
    10,159.86x = 86,654,418.92
  5. Step 5: Solve for x
    x = 86,654,418.92/10,159.86
  6. Step 6: Final answer
    x = 8,529.10

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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.