Home / 10,927.13-15,078.28-6,679.23

Finding the Fourth Proportional to 10,927.13, 15,078.28 and 6,679.23

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Solution

The fourth proportional to 10,927.13, 15,078.28 and 6,679.23 is: 9,216.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.13 : 15,078.28 = 6,679.23 : x
  2. Step 2: Convert to fraction form
    10,927.13/15,078.28 = 6,679.23/x
  3. Step 3: Cross multiply
    10,927.13x = 15,078.28 × 6,679.23
  4. Step 4: Simplify right side
    10,927.13x = 100,711,266.73
  5. Step 5: Solve for x
    x = 100,711,266.73/10,927.13
  6. Step 6: Final answer
    x = 9,216.63

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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.