Home / 8,856.10-12,222.28-5,079.62

Finding the Fourth Proportional to 8,856.10, 12,222.28 and 5,079.62

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Solution

The fourth proportional to 8,856.10, 12,222.28 and 5,079.62 is: 7,010.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.10 : 12,222.28 = 5,079.62 : x
  2. Step 2: Convert to fraction form
    8,856.10/12,222.28 = 5,079.62/x
  3. Step 3: Cross multiply
    8,856.10x = 12,222.28 × 5,079.62
  4. Step 4: Simplify right side
    8,856.10x = 62,084,537.93
  5. Step 5: Solve for x
    x = 62,084,537.93/8,856.10
  6. Step 6: Final answer
    x = 7,010.37

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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.