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Finding the Fourth Proportional to 8,695.02, 11,980.35 and 5,895.66

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Solution

The fourth proportional to 8,695.02, 11,980.35 and 5,895.66 is: 8,123.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.02 : 11,980.35 = 5,895.66 : x
  2. Step 2: Convert to fraction form
    8,695.02/11,980.35 = 5,895.66/x
  3. Step 3: Cross multiply
    8,695.02x = 11,980.35 × 5,895.66
  4. Step 4: Simplify right side
    8,695.02x = 70,632,070.28
  5. Step 5: Solve for x
    x = 70,632,070.28/8,695.02
  6. Step 6: Final answer
    x = 8,123.28

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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.