Home / 8,165.34-11,269.10-4,581.28

Finding the Fourth Proportional to 8,165.34, 11,269.10 and 4,581.28

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Solution

The fourth proportional to 8,165.34, 11,269.10 and 4,581.28 is: 6,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.34 : 11,269.10 = 4,581.28 : x
  2. Step 2: Convert to fraction form
    8,165.34/11,269.10 = 4,581.28/x
  3. Step 3: Cross multiply
    8,165.34x = 11,269.10 × 4,581.28
  4. Step 4: Simplify right side
    8,165.34x = 51,626,902.45
  5. Step 5: Solve for x
    x = 51,626,902.45/8,165.34
  6. Step 6: Final answer
    x = 6,322.69

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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.