Home / 8,961.95-12,370.91-5,976.69

Finding the Fourth Proportional to 8,961.95, 12,370.91 and 5,976.69

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Solution

The fourth proportional to 8,961.95, 12,370.91 and 5,976.69 is: 8,250.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.95 : 12,370.91 = 5,976.69 : x
  2. Step 2: Convert to fraction form
    8,961.95/12,370.91 = 5,976.69/x
  3. Step 3: Cross multiply
    8,961.95x = 12,370.91 × 5,976.69
  4. Step 4: Simplify right side
    8,961.95x = 73,937,064.20
  5. Step 5: Solve for x
    x = 73,937,064.20/8,961.95
  6. Step 6: Final answer
    x = 8,250.11

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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.