Home / 8,427.06-11,627.01-5,443.02

Finding the Fourth Proportional to 8,427.06, 11,627.01 and 5,443.02

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Solution

The fourth proportional to 8,427.06, 11,627.01 and 5,443.02 is: 7,509.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.06 : 11,627.01 = 5,443.02 : x
  2. Step 2: Convert to fraction form
    8,427.06/11,627.01 = 5,443.02/x
  3. Step 3: Cross multiply
    8,427.06x = 11,627.01 × 5,443.02
  4. Step 4: Simplify right side
    8,427.06x = 63,286,047.97
  5. Step 5: Solve for x
    x = 63,286,047.97/8,427.06
  6. Step 6: Final answer
    x = 7,509.86

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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.