Home / 11,214.88-15,475.08-6,737.92

Finding the Fourth Proportional to 11,214.88, 15,475.08 and 6,737.92

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Solution

The fourth proportional to 11,214.88, 15,475.08 and 6,737.92 is: 9,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.88 : 15,475.08 = 6,737.92 : x
  2. Step 2: Convert to fraction form
    11,214.88/15,475.08 = 6,737.92/x
  3. Step 3: Cross multiply
    11,214.88x = 15,475.08 × 6,737.92
  4. Step 4: Simplify right side
    11,214.88x = 104,269,851.03
  5. Step 5: Solve for x
    x = 104,269,851.03/11,214.88
  6. Step 6: Final answer
    x = 9,297.46

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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.