Home / 6,815.48-10,206.82-4,617.55

Finding the Fourth Proportional to 6,815.48, 10,206.82 and 4,617.55

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Solution

The fourth proportional to 6,815.48, 10,206.82 and 4,617.55 is: 6,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.48 : 10,206.82 = 4,617.55 : x
  2. Step 2: Convert to fraction form
    6,815.48/10,206.82 = 4,617.55/x
  3. Step 3: Cross multiply
    6,815.48x = 10,206.82 × 4,617.55
  4. Step 4: Simplify right side
    6,815.48x = 47,130,436.83
  5. Step 5: Solve for x
    x = 47,130,436.83/6,815.48
  6. Step 6: Final answer
    x = 6,915.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.