Home / 9,427.19-13,007.99-5,447.59

Finding the Fourth Proportional to 9,427.19, 13,007.99 and 5,447.59

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Solution

The fourth proportional to 9,427.19, 13,007.99 and 5,447.59 is: 7,516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.19 : 13,007.99 = 5,447.59 : x
  2. Step 2: Convert to fraction form
    9,427.19/13,007.99 = 5,447.59/x
  3. Step 3: Cross multiply
    9,427.19x = 13,007.99 × 5,447.59
  4. Step 4: Simplify right side
    9,427.19x = 70,862,177.34
  5. Step 5: Solve for x
    x = 70,862,177.34/9,427.19
  6. Step 6: Final answer
    x = 7,516.79

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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.