Home / 8,363.80-11,538.66-5,006.74

Finding the Fourth Proportional to 8,363.80, 11,538.66 and 5,006.74

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Solution

The fourth proportional to 8,363.80, 11,538.66 and 5,006.74 is: 6,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.80 : 11,538.66 = 5,006.74 : x
  2. Step 2: Convert to fraction form
    8,363.80/11,538.66 = 5,006.74/x
  3. Step 3: Cross multiply
    8,363.80x = 11,538.66 × 5,006.74
  4. Step 4: Simplify right side
    8,363.80x = 57,771,070.57
  5. Step 5: Solve for x
    x = 57,771,070.57/8,363.80
  6. Step 6: Final answer
    x = 6,907.28

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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.