Home / 11,472.33-15,831.81-6,695.55

Finding the Fourth Proportional to 11,472.33, 15,831.81 and 6,695.55

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Solution

The fourth proportional to 11,472.33, 15,831.81 and 6,695.55 is: 9,239.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.33 : 15,831.81 = 6,695.55 : x
  2. Step 2: Convert to fraction form
    11,472.33/15,831.81 = 6,695.55/x
  3. Step 3: Cross multiply
    11,472.33x = 15,831.81 × 6,695.55
  4. Step 4: Simplify right side
    11,472.33x = 106,002,675.45
  5. Step 5: Solve for x
    x = 106,002,675.45/11,472.33
  6. Step 6: Final answer
    x = 9,239.86

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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.