Home / 9,343.20-12,895.20-7,101.54

Finding the Fourth Proportional to 9,343.20, 12,895.20 and 7,101.54

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Solution

The fourth proportional to 9,343.20, 12,895.20 and 7,101.54 is: 9,801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343.20 : 12,895.20 = 7,101.54 : x
  2. Step 2: Convert to fraction form
    9,343.20/12,895.20 = 7,101.54/x
  3. Step 3: Cross multiply
    9,343.20x = 12,895.20 × 7,101.54
  4. Step 4: Simplify right side
    9,343.20x = 91,575,778.61
  5. Step 5: Solve for x
    x = 91,575,778.61/9,343.20
  6. Step 6: Final answer
    x = 9,801.33

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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.