Home / 9,322.16-12,861.68-5,342.49

Finding the Fourth Proportional to 9,322.16, 12,861.68 and 5,342.49

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Solution

The fourth proportional to 9,322.16, 12,861.68 and 5,342.49 is: 7,370.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.16 : 12,861.68 = 5,342.49 : x
  2. Step 2: Convert to fraction form
    9,322.16/12,861.68 = 5,342.49/x
  3. Step 3: Cross multiply
    9,322.16x = 12,861.68 × 5,342.49
  4. Step 4: Simplify right side
    9,322.16x = 68,713,370.07
  5. Step 5: Solve for x
    x = 68,713,370.07/9,322.16
  6. Step 6: Final answer
    x = 7,370.97

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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.