Home / 9,138.08-12,616.16-5,952.48

Finding the Fourth Proportional to 9,138.08, 12,616.16 and 5,952.48

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Solution

The fourth proportional to 9,138.08, 12,616.16 and 5,952.48 is: 8,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138.08 : 12,616.16 = 5,952.48 : x
  2. Step 2: Convert to fraction form
    9,138.08/12,616.16 = 5,952.48/x
  3. Step 3: Cross multiply
    9,138.08x = 12,616.16 × 5,952.48
  4. Step 4: Simplify right side
    9,138.08x = 75,097,440.08
  5. Step 5: Solve for x
    x = 75,097,440.08/9,138.08
  6. Step 6: Final answer
    x = 8,218.08

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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.