Home / 8,778.41-12,113.35-5,001.28

Finding the Fourth Proportional to 8,778.41, 12,113.35 and 5,001.28

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Solution

The fourth proportional to 8,778.41, 12,113.35 and 5,001.28 is: 6,901.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.41 : 12,113.35 = 5,001.28 : x
  2. Step 2: Convert to fraction form
    8,778.41/12,113.35 = 5,001.28/x
  3. Step 3: Cross multiply
    8,778.41x = 12,113.35 × 5,001.28
  4. Step 4: Simplify right side
    8,778.41x = 60,582,212.30
  5. Step 5: Solve for x
    x = 60,582,212.30/8,778.41
  6. Step 6: Final answer
    x = 6,901.27

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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.