Home / 6,915.98-9,542.52-4,395.08

Finding the Fourth Proportional to 6,915.98, 9,542.52 and 4,395.08

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Solution

The fourth proportional to 6,915.98, 9,542.52 and 4,395.08 is: 6,064.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.98 : 9,542.52 = 4,395.08 : x
  2. Step 2: Convert to fraction form
    6,915.98/9,542.52 = 4,395.08/x
  3. Step 3: Cross multiply
    6,915.98x = 9,542.52 × 4,395.08
  4. Step 4: Simplify right side
    6,915.98x = 41,940,138.80
  5. Step 5: Solve for x
    x = 41,940,138.80/6,915.98
  6. Step 6: Final answer
    x = 6,064.24

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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.