Home / 9,211.98-12,712.68-5,020.24

Finding the Fourth Proportional to 9,211.98, 12,712.68 and 5,020.24

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Solution

The fourth proportional to 9,211.98, 12,712.68 and 5,020.24 is: 6,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.98 : 12,712.68 = 5,020.24 : x
  2. Step 2: Convert to fraction form
    9,211.98/12,712.68 = 5,020.24/x
  3. Step 3: Cross multiply
    9,211.98x = 12,712.68 × 5,020.24
  4. Step 4: Simplify right side
    9,211.98x = 63,820,704.64
  5. Step 5: Solve for x
    x = 63,820,704.64/9,211.98
  6. Step 6: Final answer
    x = 6,928.01

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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.