Home / 10,066.20-15,104.70-4,223.40

Finding the Fourth Proportional to 10,066.20, 15,104.70 and 4,223.40

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Solution

The fourth proportional to 10,066.20, 15,104.70 and 4,223.40 is: 6,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,066.20 : 15,104.70 = 4,223.40 : x
  2. Step 2: Convert to fraction form
    10,066.20/15,104.70 = 4,223.40/x
  3. Step 3: Cross multiply
    10,066.20x = 15,104.70 × 4,223.40
  4. Step 4: Simplify right side
    10,066.20x = 63,793,189.98
  5. Step 5: Solve for x
    x = 63,793,189.98/10,066.20
  6. Step 6: Final answer
    x = 6,337.37

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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.