Home / 11,573.18-15,971.27-7,099.39

Finding the Fourth Proportional to 11,573.18, 15,971.27 and 7,099.39

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Solution

The fourth proportional to 11,573.18, 15,971.27 and 7,099.39 is: 9,797.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,573.18 : 15,971.27 = 7,099.39 : x
  2. Step 2: Convert to fraction form
    11,573.18/15,971.27 = 7,099.39/x
  3. Step 3: Cross multiply
    11,573.18x = 15,971.27 × 7,099.39
  4. Step 4: Simplify right side
    11,573.18x = 113,386,274.53
  5. Step 5: Solve for x
    x = 113,386,274.53/11,573.18
  6. Step 6: Final answer
    x = 9,797.33

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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.