Home / 9,133.91-12,600.54-5,781.68

Finding the Fourth Proportional to 9,133.91, 12,600.54 and 5,781.68

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Solution

The fourth proportional to 9,133.91, 12,600.54 and 5,781.68 is: 7,976.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.91 : 12,600.54 = 5,781.68 : x
  2. Step 2: Convert to fraction form
    9,133.91/12,600.54 = 5,781.68/x
  3. Step 3: Cross multiply
    9,133.91x = 12,600.54 × 5,781.68
  4. Step 4: Simplify right side
    9,133.91x = 72,852,258.10
  5. Step 5: Solve for x
    x = 72,852,258.10/9,133.91
  6. Step 6: Final answer
    x = 7,976.02

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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.