Home / 10,999.13-15,178.79-6,031.13

Finding the Fourth Proportional to 10,999.13, 15,178.79 and 6,031.13

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Solution

The fourth proportional to 10,999.13, 15,178.79 and 6,031.13 is: 8,322.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.13 : 15,178.79 = 6,031.13 : x
  2. Step 2: Convert to fraction form
    10,999.13/15,178.79 = 6,031.13/x
  3. Step 3: Cross multiply
    10,999.13x = 15,178.79 × 6,031.13
  4. Step 4: Simplify right side
    10,999.13x = 91,545,194.92
  5. Step 5: Solve for x
    x = 91,545,194.92/10,999.13
  6. Step 6: Final answer
    x = 8,322.95

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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.