Home / 9,328.92-12,873.91-5,349.27

Finding the Fourth Proportional to 9,328.92, 12,873.91 and 5,349.27

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Solution

The fourth proportional to 9,328.92, 12,873.91 and 5,349.27 is: 7,381.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.92 : 12,873.91 = 5,349.27 : x
  2. Step 2: Convert to fraction form
    9,328.92/12,873.91 = 5,349.27/x
  3. Step 3: Cross multiply
    9,328.92x = 12,873.91 × 5,349.27
  4. Step 4: Simplify right side
    9,328.92x = 68,865,971.90
  5. Step 5: Solve for x
    x = 68,865,971.90/9,328.92
  6. Step 6: Final answer
    x = 7,381.99

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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.