Home / 10,948.83-15,104.88-8,084.40

Finding the Fourth Proportional to 10,948.83, 15,104.88 and 8,084.40

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Solution

The fourth proportional to 10,948.83, 15,104.88 and 8,084.40 is: 11,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.83 : 15,104.88 = 8,084.40 : x
  2. Step 2: Convert to fraction form
    10,948.83/15,104.88 = 8,084.40/x
  3. Step 3: Cross multiply
    10,948.83x = 15,104.88 × 8,084.40
  4. Step 4: Simplify right side
    10,948.83x = 122,113,891.87
  5. Step 5: Solve for x
    x = 122,113,891.87/10,948.83
  6. Step 6: Final answer
    x = 11,153.15

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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.