Home / 7,667.90-11,501.85-2,473.78

Finding the Fourth Proportional to 7,667.90, 11,501.85 and 2,473.78

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Solution

The fourth proportional to 7,667.90, 11,501.85 and 2,473.78 is: 3,710.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,667.90 : 11,501.85 = 2,473.78 : x
  2. Step 2: Convert to fraction form
    7,667.90/11,501.85 = 2,473.78/x
  3. Step 3: Cross multiply
    7,667.90x = 11,501.85 × 2,473.78
  4. Step 4: Simplify right side
    7,667.90x = 28,452,982.80
  5. Step 5: Solve for x
    x = 28,452,982.80/7,667.90
  6. Step 6: Final answer
    x = 3,710.66

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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.