Home / 7,217.19-9,960.53-4,073.13

Finding the Fourth Proportional to 7,217.19, 9,960.53 and 4,073.13

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Solution

The fourth proportional to 7,217.19, 9,960.53 and 4,073.13 is: 5,621.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.19 : 9,960.53 = 4,073.13 : x
  2. Step 2: Convert to fraction form
    7,217.19/9,960.53 = 4,073.13/x
  3. Step 3: Cross multiply
    7,217.19x = 9,960.53 × 4,073.13
  4. Step 4: Simplify right side
    7,217.19x = 40,570,533.56
  5. Step 5: Solve for x
    x = 40,570,533.56/7,217.19
  6. Step 6: Final answer
    x = 5,621.38

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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.