Home / 8,714.96-12,027.27-5,130.10

Finding the Fourth Proportional to 8,714.96, 12,027.27 and 5,130.10

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Solution

The fourth proportional to 8,714.96, 12,027.27 and 5,130.10 is: 7,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714.96 : 12,027.27 = 5,130.10 : x
  2. Step 2: Convert to fraction form
    8,714.96/12,027.27 = 5,130.10/x
  3. Step 3: Cross multiply
    8,714.96x = 12,027.27 × 5,130.10
  4. Step 4: Simplify right side
    8,714.96x = 61,701,012.04
  5. Step 5: Solve for x
    x = 61,701,012.04/8,714.96
  6. Step 6: Final answer
    x = 7,079.90

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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.