Home / 10,324.78-14,247.81-5,608.90

Finding the Fourth Proportional to 10,324.78, 14,247.81 and 5,608.90

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Solution

The fourth proportional to 10,324.78, 14,247.81 and 5,608.90 is: 7,740.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,324.78 : 14,247.81 = 5,608.90 : x
  2. Step 2: Convert to fraction form
    10,324.78/14,247.81 = 5,608.90/x
  3. Step 3: Cross multiply
    10,324.78x = 14,247.81 × 5,608.90
  4. Step 4: Simplify right side
    10,324.78x = 79,914,541.51
  5. Step 5: Solve for x
    x = 79,914,541.51/10,324.78
  6. Step 6: Final answer
    x = 7,740.07

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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.