Home / 8,837.84-12,193.80-5,479.04

Finding the Fourth Proportional to 8,837.84, 12,193.80 and 5,479.04

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Solution

The fourth proportional to 8,837.84, 12,193.80 and 5,479.04 is: 7,559.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.84 : 12,193.80 = 5,479.04 : x
  2. Step 2: Convert to fraction form
    8,837.84/12,193.80 = 5,479.04/x
  3. Step 3: Cross multiply
    8,837.84x = 12,193.80 × 5,479.04
  4. Step 4: Simplify right side
    8,837.84x = 66,810,317.95
  5. Step 5: Solve for x
    x = 66,810,317.95/8,837.84
  6. Step 6: Final answer
    x = 7,559.58

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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.