Home / 7,094.48-10,639.99-3,143.55

Finding the Fourth Proportional to 7,094.48, 10,639.99 and 3,143.55

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Solution

The fourth proportional to 7,094.48, 10,639.99 and 3,143.55 is: 4,714.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,094.48 : 10,639.99 = 3,143.55 : x
  2. Step 2: Convert to fraction form
    7,094.48/10,639.99 = 3,143.55/x
  3. Step 3: Cross multiply
    7,094.48x = 10,639.99 × 3,143.55
  4. Step 4: Simplify right side
    7,094.48x = 33,447,384.39
  5. Step 5: Solve for x
    x = 33,447,384.39/7,094.48
  6. Step 6: Final answer
    x = 4,714.57

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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.