Home / 8,315.98-12,476.13-6,837.64

Finding the Fourth Proportional to 8,315.98, 12,476.13 and 6,837.64

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Solution

The fourth proportional to 8,315.98, 12,476.13 and 6,837.64 is: 10,258.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.98 : 12,476.13 = 6,837.64 : x
  2. Step 2: Convert to fraction form
    8,315.98/12,476.13 = 6,837.64/x
  3. Step 3: Cross multiply
    8,315.98x = 12,476.13 × 6,837.64
  4. Step 4: Simplify right side
    8,315.98x = 85,307,285.53
  5. Step 5: Solve for x
    x = 85,307,285.53/8,315.98
  6. Step 6: Final answer
    x = 10,258.24

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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.