Home / 11,266.92-15,543.18-7,289.33

Finding the Fourth Proportional to 11,266.92, 15,543.18 and 7,289.33

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Solution

The fourth proportional to 11,266.92, 15,543.18 and 7,289.33 is: 10,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,266.92 : 15,543.18 = 7,289.33 : x
  2. Step 2: Convert to fraction form
    11,266.92/15,543.18 = 7,289.33/x
  3. Step 3: Cross multiply
    11,266.92x = 15,543.18 × 7,289.33
  4. Step 4: Simplify right side
    11,266.92x = 113,299,290.55
  5. Step 5: Solve for x
    x = 113,299,290.55/11,266.92
  6. Step 6: Final answer
    x = 10,055.92

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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.