Home / 12,116.26-18,165.66-4,714.48

Finding the Fourth Proportional to 12,116.26, 18,165.66 and 4,714.48

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Solution

The fourth proportional to 12,116.26, 18,165.66 and 4,714.48 is: 7,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116.26 : 18,165.66 = 4,714.48 : x
  2. Step 2: Convert to fraction form
    12,116.26/18,165.66 = 4,714.48/x
  3. Step 3: Cross multiply
    12,116.26x = 18,165.66 × 4,714.48
  4. Step 4: Simplify right side
    12,116.26x = 85,641,640.76
  5. Step 5: Solve for x
    x = 85,641,640.76/12,116.26
  6. Step 6: Final answer
    x = 7,068.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.