Home / 8,976.12-12,386.52-4,997.04

Finding the Fourth Proportional to 8,976.12, 12,386.52 and 4,997.04

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Solution

The fourth proportional to 8,976.12, 12,386.52 and 4,997.04 is: 6,895.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.12 : 12,386.52 = 4,997.04 : x
  2. Step 2: Convert to fraction form
    8,976.12/12,386.52 = 4,997.04/x
  3. Step 3: Cross multiply
    8,976.12x = 12,386.52 × 4,997.04
  4. Step 4: Simplify right side
    8,976.12x = 61,895,935.90
  5. Step 5: Solve for x
    x = 61,895,935.90/8,976.12
  6. Step 6: Final answer
    x = 6,895.62

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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.