Home / 8,732.48-12,051.36-5,006.72

Finding the Fourth Proportional to 8,732.48, 12,051.36 and 5,006.72

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Solution

The fourth proportional to 8,732.48, 12,051.36 and 5,006.72 is: 6,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.48 : 12,051.36 = 5,006.72 : x
  2. Step 2: Convert to fraction form
    8,732.48/12,051.36 = 5,006.72/x
  3. Step 3: Cross multiply
    8,732.48x = 12,051.36 × 5,006.72
  4. Step 4: Simplify right side
    8,732.48x = 60,337,785.14
  5. Step 5: Solve for x
    x = 60,337,785.14/8,732.48
  6. Step 6: Final answer
    x = 6,909.58

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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.