Home / 8,038.80-11,086.14-5,516.46

Finding the Fourth Proportional to 8,038.80, 11,086.14 and 5,516.46

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Solution

The fourth proportional to 8,038.80, 11,086.14 and 5,516.46 is: 7,607.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038.80 : 11,086.14 = 5,516.46 : x
  2. Step 2: Convert to fraction form
    8,038.80/11,086.14 = 5,516.46/x
  3. Step 3: Cross multiply
    8,038.80x = 11,086.14 × 5,516.46
  4. Step 4: Simplify right side
    8,038.80x = 61,156,247.86
  5. Step 5: Solve for x
    x = 61,156,247.86/8,038.80
  6. Step 6: Final answer
    x = 7,607.63

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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.