Home / 8,203.17-11,320.31-4,666.38

Finding the Fourth Proportional to 8,203.17, 11,320.31 and 4,666.38

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Solution

The fourth proportional to 8,203.17, 11,320.31 and 4,666.38 is: 6,439.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203.17 : 11,320.31 = 4,666.38 : x
  2. Step 2: Convert to fraction form
    8,203.17/11,320.31 = 4,666.38/x
  3. Step 3: Cross multiply
    8,203.17x = 11,320.31 × 4,666.38
  4. Step 4: Simplify right side
    8,203.17x = 52,824,868.18
  5. Step 5: Solve for x
    x = 52,824,868.18/8,203.17
  6. Step 6: Final answer
    x = 6,439.57

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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.