Home / 11,176.56-15,427.12-7,197.64

Finding the Fourth Proportional to 11,176.56, 15,427.12 and 7,197.64

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Solution

The fourth proportional to 11,176.56, 15,427.12 and 7,197.64 is: 9,934.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.56 : 15,427.12 = 7,197.64 : x
  2. Step 2: Convert to fraction form
    11,176.56/15,427.12 = 7,197.64/x
  3. Step 3: Cross multiply
    11,176.56x = 15,427.12 × 7,197.64
  4. Step 4: Simplify right side
    11,176.56x = 111,038,856.00
  5. Step 5: Solve for x
    x = 111,038,856.00/11,176.56
  6. Step 6: Final answer
    x = 9,934.98

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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.