Home / 8,933.26-12,320.40-5,747.08

Finding the Fourth Proportional to 8,933.26, 12,320.40 and 5,747.08

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Solution

The fourth proportional to 8,933.26, 12,320.40 and 5,747.08 is: 7,926.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.26 : 12,320.40 = 5,747.08 : x
  2. Step 2: Convert to fraction form
    8,933.26/12,320.40 = 5,747.08/x
  3. Step 3: Cross multiply
    8,933.26x = 12,320.40 × 5,747.08
  4. Step 4: Simplify right side
    8,933.26x = 70,806,324.43
  5. Step 5: Solve for x
    x = 70,806,324.43/8,933.26
  6. Step 6: Final answer
    x = 7,926.15

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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.