Home / 8,967.11-13,436.08-5,272.70

Finding the Fourth Proportional to 8,967.11, 13,436.08 and 5,272.70

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Solution

The fourth proportional to 8,967.11, 13,436.08 and 5,272.70 is: 7,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967.11 : 13,436.08 = 5,272.70 : x
  2. Step 2: Convert to fraction form
    8,967.11/13,436.08 = 5,272.70/x
  3. Step 3: Cross multiply
    8,967.11x = 13,436.08 × 5,272.70
  4. Step 4: Simplify right side
    8,967.11x = 70,844,338.65
  5. Step 5: Solve for x
    x = 70,844,338.65/8,967.11
  6. Step 6: Final answer
    x = 7,900.47

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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.