Home / 7,324.56-10,106.64-4,136.40

Finding the Fourth Proportional to 7,324.56, 10,106.64 and 4,136.40

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Solution

The fourth proportional to 7,324.56, 10,106.64 and 4,136.40 is: 5,707.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.56 : 10,106.64 = 4,136.40 : x
  2. Step 2: Convert to fraction form
    7,324.56/10,106.64 = 4,136.40/x
  3. Step 3: Cross multiply
    7,324.56x = 10,106.64 × 4,136.40
  4. Step 4: Simplify right side
    7,324.56x = 41,805,105.70
  5. Step 5: Solve for x
    x = 41,805,105.70/7,324.56
  6. Step 6: Final answer
    x = 5,707.52

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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.