Home / 10,066.80-15,107.40-4,227.60

Finding the Fourth Proportional to 10,066.80, 15,107.40 and 4,227.60

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Solution

The fourth proportional to 10,066.80, 15,107.40 and 4,227.60 is: 6,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,066.80 : 15,107.40 = 4,227.60 : x
  2. Step 2: Convert to fraction form
    10,066.80/15,107.40 = 4,227.60/x
  3. Step 3: Cross multiply
    10,066.80x = 15,107.40 × 4,227.60
  4. Step 4: Simplify right side
    10,066.80x = 63,868,044.24
  5. Step 5: Solve for x
    x = 63,868,044.24/10,066.80
  6. Step 6: Final answer
    x = 6,344.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.