Home / 7,363.40-10,161.74-4,220.19

Finding the Fourth Proportional to 7,363.40, 10,161.74 and 4,220.19

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Solution

The fourth proportional to 7,363.40, 10,161.74 and 4,220.19 is: 5,824.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,363.40 : 10,161.74 = 4,220.19 : x
  2. Step 2: Convert to fraction form
    7,363.40/10,161.74 = 4,220.19/x
  3. Step 3: Cross multiply
    7,363.40x = 10,161.74 × 4,220.19
  4. Step 4: Simplify right side
    7,363.40x = 42,884,452.43
  5. Step 5: Solve for x
    x = 42,884,452.43/7,363.40
  6. Step 6: Final answer
    x = 5,824.01

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Half scale
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Double 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.