Home / 9,363.40-12,922.46-5,731.56

Finding the Fourth Proportional to 9,363.40, 12,922.46 and 5,731.56

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Solution

The fourth proportional to 9,363.40, 12,922.46 and 5,731.56 is: 7,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,363.40 : 12,922.46 = 5,731.56 : x
  2. Step 2: Convert to fraction form
    9,363.40/12,922.46 = 5,731.56/x
  3. Step 3: Cross multiply
    9,363.40x = 12,922.46 × 5,731.56
  4. Step 4: Simplify right side
    9,363.40x = 74,065,854.84
  5. Step 5: Solve for x
    x = 74,065,854.84/9,363.40
  6. Step 6: Final answer
    x = 7,910.15

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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.