Home / 8,370.86-12,558.38-5,910.48

Finding the Fourth Proportional to 8,370.86, 12,558.38 and 5,910.48

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Solution

The fourth proportional to 8,370.86, 12,558.38 and 5,910.48 is: 8,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.86 : 12,558.38 = 5,910.48 : x
  2. Step 2: Convert to fraction form
    8,370.86/12,558.38 = 5,910.48/x
  3. Step 3: Cross multiply
    8,370.86x = 12,558.38 × 5,910.48
  4. Step 4: Simplify right side
    8,370.86x = 74,226,053.82
  5. Step 5: Solve for x
    x = 74,226,053.82/8,370.86
  6. Step 6: Final answer
    x = 8,867.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.