Home / 10,822.31-16,247.49-10,378.13

Finding the Fourth Proportional to 10,822.31, 16,247.49 and 10,378.13

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Solution

The fourth proportional to 10,822.31, 16,247.49 and 10,378.13 is: 15,580.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.31 : 16,247.49 = 10,378.13 : x
  2. Step 2: Convert to fraction form
    10,822.31/16,247.49 = 10,378.13/x
  3. Step 3: Cross multiply
    10,822.31x = 16,247.49 × 10,378.13
  4. Step 4: Simplify right side
    10,822.31x = 168,618,443.24
  5. Step 5: Solve for x
    x = 168,618,443.24/10,822.31
  6. Step 6: Final answer
    x = 15,580.64

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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.