Home / 9,366.37-12,921.19-5,587.38

Finding the Fourth Proportional to 9,366.37, 12,921.19 and 5,587.38

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Solution

The fourth proportional to 9,366.37, 12,921.19 and 5,587.38 is: 7,707.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,366.37 : 12,921.19 = 5,587.38 : x
  2. Step 2: Convert to fraction form
    9,366.37/12,921.19 = 5,587.38/x
  3. Step 3: Cross multiply
    9,366.37x = 12,921.19 × 5,587.38
  4. Step 4: Simplify right side
    9,366.37x = 72,195,584.61
  5. Step 5: Solve for x
    x = 72,195,584.61/9,366.37
  6. Step 6: Final answer
    x = 7,707.96

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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.