Home / 8,695.12-11,999.10-4,716.16

Finding the Fourth Proportional to 8,695.12, 11,999.10 and 4,716.16

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Solution

The fourth proportional to 8,695.12, 11,999.10 and 4,716.16 is: 6,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.12 : 11,999.10 = 4,716.16 : x
  2. Step 2: Convert to fraction form
    8,695.12/11,999.10 = 4,716.16/x
  3. Step 3: Cross multiply
    8,695.12x = 11,999.10 × 4,716.16
  4. Step 4: Simplify right side
    8,695.12x = 56,589,675.46
  5. Step 5: Solve for x
    x = 56,589,675.46/8,695.12
  6. Step 6: Final answer
    x = 6,508.21

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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.