Home / 6,147.12-9,215.52-5,266.08

Finding the Fourth Proportional to 6,147.12, 9,215.52 and 5,266.08

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Solution

The fourth proportional to 6,147.12, 9,215.52 and 5,266.08 is: 7,894.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.12 : 9,215.52 = 5,266.08 : x
  2. Step 2: Convert to fraction form
    6,147.12/9,215.52 = 5,266.08/x
  3. Step 3: Cross multiply
    6,147.12x = 9,215.52 × 5,266.08
  4. Step 4: Simplify right side
    6,147.12x = 48,529,665.56
  5. Step 5: Solve for x
    x = 48,529,665.56/6,147.12
  6. Step 6: Final answer
    x = 7,894.70

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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.