Home / 9,294.98-12,826.85-5,315.85

Finding the Fourth Proportional to 9,294.98, 12,826.85 and 5,315.85

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Solution

The fourth proportional to 9,294.98, 12,826.85 and 5,315.85 is: 7,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,294.98 : 12,826.85 = 5,315.85 : x
  2. Step 2: Convert to fraction form
    9,294.98/12,826.85 = 5,315.85/x
  3. Step 3: Cross multiply
    9,294.98x = 12,826.85 × 5,315.85
  4. Step 4: Simplify right side
    9,294.98x = 68,185,610.57
  5. Step 5: Solve for x
    x = 68,185,610.57/9,294.98
  6. Step 6: Final answer
    x = 7,335.75

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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.