Home / 10,919.16-15,068.45-6,203.44

Finding the Fourth Proportional to 10,919.16, 15,068.45 and 6,203.44

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Solution

The fourth proportional to 10,919.16, 15,068.45 and 6,203.44 is: 8,560.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.16 : 15,068.45 = 6,203.44 : x
  2. Step 2: Convert to fraction form
    10,919.16/15,068.45 = 6,203.44/x
  3. Step 3: Cross multiply
    10,919.16x = 15,068.45 × 6,203.44
  4. Step 4: Simplify right side
    10,919.16x = 93,476,156.78
  5. Step 5: Solve for x
    x = 93,476,156.78/10,919.16
  6. Step 6: Final answer
    x = 8,560.75

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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.