Home / 8,165.66-11,252.81-5,508.45

Finding the Fourth Proportional to 8,165.66, 11,252.81 and 5,508.45

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Solution

The fourth proportional to 8,165.66, 11,252.81 and 5,508.45 is: 7,591.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.66 : 11,252.81 = 5,508.45 : x
  2. Step 2: Convert to fraction form
    8,165.66/11,252.81 = 5,508.45/x
  3. Step 3: Cross multiply
    8,165.66x = 11,252.81 × 5,508.45
  4. Step 4: Simplify right side
    8,165.66x = 61,985,513.70
  5. Step 5: Solve for x
    x = 61,985,513.70/8,165.66
  6. Step 6: Final answer
    x = 7,591.00

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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.