Home / 10,307.44-15,458.55-3,981.04

Finding the Fourth Proportional to 10,307.44, 15,458.55 and 3,981.04

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Solution

The fourth proportional to 10,307.44, 15,458.55 and 3,981.04 is: 5,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.44 : 15,458.55 = 3,981.04 : x
  2. Step 2: Convert to fraction form
    10,307.44/15,458.55 = 3,981.04/x
  3. Step 3: Cross multiply
    10,307.44x = 15,458.55 × 3,981.04
  4. Step 4: Simplify right side
    10,307.44x = 61,541,105.89
  5. Step 5: Solve for x
    x = 61,541,105.89/10,307.44
  6. Step 6: Final answer
    x = 5,970.55

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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.