Home / 8,923.56-12,324.37-6,931.11

Finding the Fourth Proportional to 8,923.56, 12,324.37 and 6,931.11

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Solution

The fourth proportional to 8,923.56, 12,324.37 and 6,931.11 is: 9,572.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.56 : 12,324.37 = 6,931.11 : x
  2. Step 2: Convert to fraction form
    8,923.56/12,324.37 = 6,931.11/x
  3. Step 3: Cross multiply
    8,923.56x = 12,324.37 × 6,931.11
  4. Step 4: Simplify right side
    8,923.56x = 85,421,564.15
  5. Step 5: Solve for x
    x = 85,421,564.15/8,923.56
  6. Step 6: Final answer
    x = 9,572.59

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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.