Home / 9,323.41-12,863.40-5,343.74

Finding the Fourth Proportional to 9,323.41, 12,863.40 and 5,343.74

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Solution

The fourth proportional to 9,323.41, 12,863.40 and 5,343.74 is: 7,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.41 : 12,863.40 = 5,343.74 : x
  2. Step 2: Convert to fraction form
    9,323.41/12,863.40 = 5,343.74/x
  3. Step 3: Cross multiply
    9,323.41x = 12,863.40 × 5,343.74
  4. Step 4: Simplify right side
    9,323.41x = 68,738,665.12
  5. Step 5: Solve for x
    x = 68,738,665.12/9,323.41
  6. Step 6: Final answer
    x = 7,372.70

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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.