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Finding the Fourth Proportional to 8,159.70, 11,264.58 and 5,017.72

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Solution

The fourth proportional to 8,159.70, 11,264.58 and 5,017.72 is: 6,927.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.70 : 11,264.58 = 5,017.72 : x
  2. Step 2: Convert to fraction form
    8,159.70/11,264.58 = 5,017.72/x
  3. Step 3: Cross multiply
    8,159.70x = 11,264.58 × 5,017.72
  4. Step 4: Simplify right side
    8,159.70x = 56,522,508.36
  5. Step 5: Solve for x
    x = 56,522,508.36/8,159.70
  6. Step 6: Final answer
    x = 6,927.03

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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.