Home / 9,169.11-12,653.45-5,392.35

Finding the Fourth Proportional to 9,169.11, 12,653.45 and 5,392.35

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Solution

The fourth proportional to 9,169.11, 12,653.45 and 5,392.35 is: 7,441.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.11 : 12,653.45 = 5,392.35 : x
  2. Step 2: Convert to fraction form
    9,169.11/12,653.45 = 5,392.35/x
  3. Step 3: Cross multiply
    9,169.11x = 12,653.45 × 5,392.35
  4. Step 4: Simplify right side
    9,169.11x = 68,231,831.11
  5. Step 5: Solve for x
    x = 68,231,831.11/9,169.11
  6. Step 6: Final answer
    x = 7,441.49

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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.