Home / 8,508.96-11,742.12-5,153.76

Finding the Fourth Proportional to 8,508.96, 11,742.12 and 5,153.76

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Solution

The fourth proportional to 8,508.96, 11,742.12 and 5,153.76 is: 7,112.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.96 : 11,742.12 = 5,153.76 : x
  2. Step 2: Convert to fraction form
    8,508.96/11,742.12 = 5,153.76/x
  3. Step 3: Cross multiply
    8,508.96x = 11,742.12 × 5,153.76
  4. Step 4: Simplify right side
    8,508.96x = 60,516,068.37
  5. Step 5: Solve for x
    x = 60,516,068.37/8,508.96
  6. Step 6: Final answer
    x = 7,112.04

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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.