Home / 9,299.76-12,831.38-5,266.68

Finding the Fourth Proportional to 9,299.76, 12,831.38 and 5,266.68

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Solution

The fourth proportional to 9,299.76, 12,831.38 and 5,266.68 is: 7,266.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,299.76 : 12,831.38 = 5,266.68 : x
  2. Step 2: Convert to fraction form
    9,299.76/12,831.38 = 5,266.68/x
  3. Step 3: Cross multiply
    9,299.76x = 12,831.38 × 5,266.68
  4. Step 4: Simplify right side
    9,299.76x = 67,578,772.42
  5. Step 5: Solve for x
    x = 67,578,772.42/9,299.76
  6. Step 6: Final answer
    x = 7,266.72

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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.