Home / 8,808.19-12,159.18-6,165.97

Finding the Fourth Proportional to 8,808.19, 12,159.18 and 6,165.97

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Solution

The fourth proportional to 8,808.19, 12,159.18 and 6,165.97 is: 8,511.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.19 : 12,159.18 = 6,165.97 : x
  2. Step 2: Convert to fraction form
    8,808.19/12,159.18 = 6,165.97/x
  3. Step 3: Cross multiply
    8,808.19x = 12,159.18 × 6,165.97
  4. Step 4: Simplify right side
    8,808.19x = 74,973,139.10
  5. Step 5: Solve for x
    x = 74,973,139.10/8,808.19
  6. Step 6: Final answer
    x = 8,511.75

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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.