Home / 7,249.76-10,875.36-2,318.16

Finding the Fourth Proportional to 7,249.76, 10,875.36 and 2,318.16

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Solution

The fourth proportional to 7,249.76, 10,875.36 and 2,318.16 is: 3,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.76 : 10,875.36 = 2,318.16 : x
  2. Step 2: Convert to fraction form
    7,249.76/10,875.36 = 2,318.16/x
  3. Step 3: Cross multiply
    7,249.76x = 10,875.36 × 2,318.16
  4. Step 4: Simplify right side
    7,249.76x = 25,210,824.54
  5. Step 5: Solve for x
    x = 25,210,824.54/7,249.76
  6. Step 6: Final answer
    x = 3,477.47

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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.