Home / 9,498.74-13,107.09-5,306.90

Finding the Fourth Proportional to 9,498.74, 13,107.09 and 5,306.90

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Solution

The fourth proportional to 9,498.74, 13,107.09 and 5,306.90 is: 7,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,498.74 : 13,107.09 = 5,306.90 : x
  2. Step 2: Convert to fraction form
    9,498.74/13,107.09 = 5,306.90/x
  3. Step 3: Cross multiply
    9,498.74x = 13,107.09 × 5,306.90
  4. Step 4: Simplify right side
    9,498.74x = 69,558,015.92
  5. Step 5: Solve for x
    x = 69,558,015.92/9,498.74
  6. Step 6: Final answer
    x = 7,322.87

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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.