Home / 7,247.59-10,872.74-2,318.47

Finding the Fourth Proportional to 7,247.59, 10,872.74 and 2,318.47

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Solution

The fourth proportional to 7,247.59, 10,872.74 and 2,318.47 is: 3,478.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.59 : 10,872.74 = 2,318.47 : x
  2. Step 2: Convert to fraction form
    7,247.59/10,872.74 = 2,318.47/x
  3. Step 3: Cross multiply
    7,247.59x = 10,872.74 × 2,318.47
  4. Step 4: Simplify right side
    7,247.59x = 25,208,109.92
  5. Step 5: Solve for x
    x = 25,208,109.92/7,247.59
  6. Step 6: Final answer
    x = 3,478.14

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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.