Home / 9,337.96-12,886.98-5,146.60

Finding the Fourth Proportional to 9,337.96, 12,886.98 and 5,146.60

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Solution

The fourth proportional to 9,337.96, 12,886.98 and 5,146.60 is: 7,102.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.96 : 12,886.98 = 5,146.60 : x
  2. Step 2: Convert to fraction form
    9,337.96/12,886.98 = 5,146.60/x
  3. Step 3: Cross multiply
    9,337.96x = 12,886.98 × 5,146.60
  4. Step 4: Simplify right side
    9,337.96x = 66,324,131.27
  5. Step 5: Solve for x
    x = 66,324,131.27/9,337.96
  6. Step 6: Final answer
    x = 7,102.64

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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.