Home / 10,770.44-14,853.17-6,989.56

Finding the Fourth Proportional to 10,770.44, 14,853.17 and 6,989.56

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Solution

The fourth proportional to 10,770.44, 14,853.17 and 6,989.56 is: 9,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,770.44 : 14,853.17 = 6,989.56 : x
  2. Step 2: Convert to fraction form
    10,770.44/14,853.17 = 6,989.56/x
  3. Step 3: Cross multiply
    10,770.44x = 14,853.17 × 6,989.56
  4. Step 4: Simplify right side
    10,770.44x = 103,817,103.25
  5. Step 5: Solve for x
    x = 103,817,103.25/10,770.44
  6. Step 6: Final answer
    x = 9,639.08

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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.