Home / 10,110.84-15,168.44-4,919.64

Finding the Fourth Proportional to 10,110.84, 15,168.44 and 4,919.64

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Solution

The fourth proportional to 10,110.84, 15,168.44 and 4,919.64 is: 7,380.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110.84 : 15,168.44 = 4,919.64 : x
  2. Step 2: Convert to fraction form
    10,110.84/15,168.44 = 4,919.64/x
  3. Step 3: Cross multiply
    10,110.84x = 15,168.44 × 4,919.64
  4. Step 4: Simplify right side
    10,110.84x = 74,623,264.16
  5. Step 5: Solve for x
    x = 74,623,264.16/10,110.84
  6. Step 6: Final answer
    x = 7,380.52

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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.