Home / 7,364.62-10,162.47-4,220.38

Finding the Fourth Proportional to 7,364.62, 10,162.47 and 4,220.38

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Solution

The fourth proportional to 7,364.62, 10,162.47 and 4,220.38 is: 5,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,364.62 : 10,162.47 = 4,220.38 : x
  2. Step 2: Convert to fraction form
    7,364.62/10,162.47 = 4,220.38/x
  3. Step 3: Cross multiply
    7,364.62x = 10,162.47 × 4,220.38
  4. Step 4: Simplify right side
    7,364.62x = 42,889,485.14
  5. Step 5: Solve for x
    x = 42,889,485.14/7,364.62
  6. Step 6: Final answer
    x = 5,823.72

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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.