Home / 7,547.36-10,414.82-4,190.12

Finding the Fourth Proportional to 7,547.36, 10,414.82 and 4,190.12

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Solution

The fourth proportional to 7,547.36, 10,414.82 and 4,190.12 is: 5,782.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.36 : 10,414.82 = 4,190.12 : x
  2. Step 2: Convert to fraction form
    7,547.36/10,414.82 = 4,190.12/x
  3. Step 3: Cross multiply
    7,547.36x = 10,414.82 × 4,190.12
  4. Step 4: Simplify right side
    7,547.36x = 43,639,272.55
  5. Step 5: Solve for x
    x = 43,639,272.55/7,547.36
  6. Step 6: Final answer
    x = 5,782.06

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Half scale
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Double scale
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Similar ratio
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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.