Home / 10,914.44-15,061.14-6,722.76

Finding the Fourth Proportional to 10,914.44, 15,061.14 and 6,722.76

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Solution

The fourth proportional to 10,914.44, 15,061.14 and 6,722.76 is: 9,276.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.44 : 15,061.14 = 6,722.76 : x
  2. Step 2: Convert to fraction form
    10,914.44/15,061.14 = 6,722.76/x
  3. Step 3: Cross multiply
    10,914.44x = 15,061.14 × 6,722.76
  4. Step 4: Simplify right side
    10,914.44x = 101,252,429.55
  5. Step 5: Solve for x
    x = 101,252,429.55/10,914.44
  6. Step 6: Final answer
    x = 9,276.92

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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.