Home / 10,218.84-14,102.25-5,742.33

Finding the Fourth Proportional to 10,218.84, 14,102.25 and 5,742.33

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Solution

The fourth proportional to 10,218.84, 14,102.25 and 5,742.33 is: 7,924.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.84 : 14,102.25 = 5,742.33 : x
  2. Step 2: Convert to fraction form
    10,218.84/14,102.25 = 5,742.33/x
  3. Step 3: Cross multiply
    10,218.84x = 14,102.25 × 5,742.33
  4. Step 4: Simplify right side
    10,218.84x = 80,979,702.73
  5. Step 5: Solve for x
    x = 80,979,702.73/10,218.84
  6. Step 6: Final answer
    x = 7,924.55

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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.