Home / 9,283.60-12,811.36-5,091.85

Finding the Fourth Proportional to 9,283.60, 12,811.36 and 5,091.85

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Solution

The fourth proportional to 9,283.60, 12,811.36 and 5,091.85 is: 7,026.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,283.60 : 12,811.36 = 5,091.85 : x
  2. Step 2: Convert to fraction form
    9,283.60/12,811.36 = 5,091.85/x
  3. Step 3: Cross multiply
    9,283.60x = 12,811.36 × 5,091.85
  4. Step 4: Simplify right side
    9,283.60x = 65,233,459.36
  5. Step 5: Solve for x
    x = 65,233,459.36/9,283.60
  6. Step 6: Final answer
    x = 7,026.75

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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.