Home / 6,646.32-9,176.33-5,131.14

Finding the Fourth Proportional to 6,646.32, 9,176.33 and 5,131.14

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Solution

The fourth proportional to 6,646.32, 9,176.33 and 5,131.14 is: 7,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.32 : 9,176.33 = 5,131.14 : x
  2. Step 2: Convert to fraction form
    6,646.32/9,176.33 = 5,131.14/x
  3. Step 3: Cross multiply
    6,646.32x = 9,176.33 × 5,131.14
  4. Step 4: Simplify right side
    6,646.32x = 47,085,008.26
  5. Step 5: Solve for x
    x = 47,085,008.26/6,646.32
  6. Step 6: Final answer
    x = 7,084.37

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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.