Home / 9,738.27-13,424.79-6,938.91

Finding the Fourth Proportional to 9,738.27, 13,424.79 and 6,938.91

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Solution

The fourth proportional to 9,738.27, 13,424.79 and 6,938.91 is: 9,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,738.27 : 13,424.79 = 6,938.91 : x
  2. Step 2: Convert to fraction form
    9,738.27/13,424.79 = 6,938.91/x
  3. Step 3: Cross multiply
    9,738.27x = 13,424.79 × 6,938.91
  4. Step 4: Simplify right side
    9,738.27x = 93,153,409.58
  5. Step 5: Solve for x
    x = 93,153,409.58/9,738.27
  6. Step 6: Final answer
    x = 9,565.70

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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.