Home / 11,137.40-15,368.96-6,100.62

Finding the Fourth Proportional to 11,137.40, 15,368.96 and 6,100.62

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Solution

The fourth proportional to 11,137.40, 15,368.96 and 6,100.62 is: 8,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.40 : 15,368.96 = 6,100.62 : x
  2. Step 2: Convert to fraction form
    11,137.40/15,368.96 = 6,100.62/x
  3. Step 3: Cross multiply
    11,137.40x = 15,368.96 × 6,100.62
  4. Step 4: Simplify right side
    11,137.40x = 93,760,184.76
  5. Step 5: Solve for x
    x = 93,760,184.76/11,137.40
  6. Step 6: Final answer
    x = 8,418.50

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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.