Home / 11,038.10-15,220.22-10,338.26

Finding the Fourth Proportional to 11,038.10, 15,220.22 and 10,338.26

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Solution

The fourth proportional to 11,038.10, 15,220.22 and 10,338.26 is: 14,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.10 : 15,220.22 = 10,338.26 : x
  2. Step 2: Convert to fraction form
    11,038.10/15,220.22 = 10,338.26/x
  3. Step 3: Cross multiply
    11,038.10x = 15,220.22 × 10,338.26
  4. Step 4: Simplify right side
    11,038.10x = 157,350,591.62
  5. Step 5: Solve for x
    x = 157,350,591.62/11,038.10
  6. Step 6: Final answer
    x = 14,255.22

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Half scale
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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.