Home / 8,976.06-12,385.48-4,997.08

Finding the Fourth Proportional to 8,976.06, 12,385.48 and 4,997.08

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Solution

The fourth proportional to 8,976.06, 12,385.48 and 4,997.08 is: 6,895.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.06 : 12,385.48 = 4,997.08 : x
  2. Step 2: Convert to fraction form
    8,976.06/12,385.48 = 4,997.08/x
  3. Step 3: Cross multiply
    8,976.06x = 12,385.48 × 4,997.08
  4. Step 4: Simplify right side
    8,976.06x = 61,891,234.40
  5. Step 5: Solve for x
    x = 61,891,234.40/8,976.06
  6. Step 6: Final answer
    x = 6,895.14

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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.