Home / 8,869.30-13,297.55-4,974.90

Finding the Fourth Proportional to 8,869.30, 13,297.55 and 4,974.90

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Solution

The fourth proportional to 8,869.30, 13,297.55 and 4,974.90 is: 7,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.30 : 13,297.55 = 4,974.90 : x
  2. Step 2: Convert to fraction form
    8,869.30/13,297.55 = 4,974.90/x
  3. Step 3: Cross multiply
    8,869.30x = 13,297.55 × 4,974.90
  4. Step 4: Simplify right side
    8,869.30x = 66,153,981.50
  5. Step 5: Solve for x
    x = 66,153,981.50/8,869.30
  6. Step 6: Final answer
    x = 7,458.76

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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.