Home / 9,206.04-12,704.84-5,431.42

Finding the Fourth Proportional to 9,206.04, 12,704.84 and 5,431.42

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Solution

The fourth proportional to 9,206.04, 12,704.84 and 5,431.42 is: 7,495.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206.04 : 12,704.84 = 5,431.42 : x
  2. Step 2: Convert to fraction form
    9,206.04/12,704.84 = 5,431.42/x
  3. Step 3: Cross multiply
    9,206.04x = 12,704.84 × 5,431.42
  4. Step 4: Simplify right side
    9,206.04x = 69,005,263.15
  5. Step 5: Solve for x
    x = 69,005,263.15/9,206.04
  6. Step 6: Final answer
    x = 7,495.65

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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.