Home / 9,135.33-12,601.44-5,357.58

Finding the Fourth Proportional to 9,135.33, 12,601.44 and 5,357.58

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Solution

The fourth proportional to 9,135.33, 12,601.44 and 5,357.58 is: 7,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.33 : 12,601.44 = 5,357.58 : x
  2. Step 2: Convert to fraction form
    9,135.33/12,601.44 = 5,357.58/x
  3. Step 3: Cross multiply
    9,135.33x = 12,601.44 × 5,357.58
  4. Step 4: Simplify right side
    9,135.33x = 67,513,222.92
  5. Step 5: Solve for x
    x = 67,513,222.92/9,135.33
  6. Step 6: Final answer
    x = 7,390.34

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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.