Home / 13,093.52-18,071.40-8,377.64

Finding the Fourth Proportional to 13,093.52, 18,071.40 and 8,377.64

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Solution

The fourth proportional to 13,093.52, 18,071.40 and 8,377.64 is: 11,562.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,093.52 : 18,071.40 = 8,377.64 : x
  2. Step 2: Convert to fraction form
    13,093.52/18,071.40 = 8,377.64/x
  3. Step 3: Cross multiply
    13,093.52x = 18,071.40 × 8,377.64
  4. Step 4: Simplify right side
    13,093.52x = 151,395,683.50
  5. Step 5: Solve for x
    x = 151,395,683.50/13,093.52
  6. Step 6: Final answer
    x = 11,562.64

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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.