Home / 8,839.80-13,258.08-3,574.53

Finding the Fourth Proportional to 8,839.80, 13,258.08 and 3,574.53

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Solution

The fourth proportional to 8,839.80, 13,258.08 and 3,574.53 is: 5,361.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.80 : 13,258.08 = 3,574.53 : x
  2. Step 2: Convert to fraction form
    8,839.80/13,258.08 = 3,574.53/x
  3. Step 3: Cross multiply
    8,839.80x = 13,258.08 × 3,574.53
  4. Step 4: Simplify right side
    8,839.80x = 47,391,404.70
  5. Step 5: Solve for x
    x = 47,391,404.70/8,839.80
  6. Step 6: Final answer
    x = 5,361.14

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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.