Home / 8,983.73-12,397.05-4,949.76

Finding the Fourth Proportional to 8,983.73, 12,397.05 and 4,949.76

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Solution

The fourth proportional to 8,983.73, 12,397.05 and 4,949.76 is: 6,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.73 : 12,397.05 = 4,949.76 : x
  2. Step 2: Convert to fraction form
    8,983.73/12,397.05 = 4,949.76/x
  3. Step 3: Cross multiply
    8,983.73x = 12,397.05 × 4,949.76
  4. Step 4: Simplify right side
    8,983.73x = 61,362,422.21
  5. Step 5: Solve for x
    x = 61,362,422.21/8,983.73
  6. Step 6: Final answer
    x = 6,830.40

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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.