Home / 8,714.10-12,027.36-5,359.80

Finding the Fourth Proportional to 8,714.10, 12,027.36 and 5,359.80

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Solution

The fourth proportional to 8,714.10, 12,027.36 and 5,359.80 is: 7,397.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714.10 : 12,027.36 = 5,359.80 : x
  2. Step 2: Convert to fraction form
    8,714.10/12,027.36 = 5,359.80/x
  3. Step 3: Cross multiply
    8,714.10x = 12,027.36 × 5,359.80
  4. Step 4: Simplify right side
    8,714.10x = 64,464,244.13
  5. Step 5: Solve for x
    x = 64,464,244.13/8,714.10
  6. Step 6: Final answer
    x = 7,397.69

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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.