Home / 8,266.90-11,408.01-5,123.02

Finding the Fourth Proportional to 8,266.90, 11,408.01 and 5,123.02

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Solution

The fourth proportional to 8,266.90, 11,408.01 and 5,123.02 is: 7,069.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.90 : 11,408.01 = 5,123.02 : x
  2. Step 2: Convert to fraction form
    8,266.90/11,408.01 = 5,123.02/x
  3. Step 3: Cross multiply
    8,266.90x = 11,408.01 × 5,123.02
  4. Step 4: Simplify right side
    8,266.90x = 58,443,463.39
  5. Step 5: Solve for x
    x = 58,443,463.39/8,266.90
  6. Step 6: Final answer
    x = 7,069.57

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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.