Home / 10,667.10-16,005.45-4,820.70

Finding the Fourth Proportional to 10,667.10, 16,005.45 and 4,820.70

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Solution

The fourth proportional to 10,667.10, 16,005.45 and 4,820.70 is: 7,233.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667.10 : 16,005.45 = 4,820.70 : x
  2. Step 2: Convert to fraction form
    10,667.10/16,005.45 = 4,820.70/x
  3. Step 3: Cross multiply
    10,667.10x = 16,005.45 × 4,820.70
  4. Step 4: Simplify right side
    10,667.10x = 77,157,472.82
  5. Step 5: Solve for x
    x = 77,157,472.82/10,667.10
  6. Step 6: Final answer
    x = 7,233.22

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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.