Home / 11,142.34-15,376.62-6,106.48

Finding the Fourth Proportional to 11,142.34, 15,376.62 and 6,106.48

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Solution

The fourth proportional to 11,142.34, 15,376.62 and 6,106.48 is: 8,427.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142.34 : 15,376.62 = 6,106.48 : x
  2. Step 2: Convert to fraction form
    11,142.34/15,376.62 = 6,106.48/x
  3. Step 3: Cross multiply
    11,142.34x = 15,376.62 × 6,106.48
  4. Step 4: Simplify right side
    11,142.34x = 93,897,022.50
  5. Step 5: Solve for x
    x = 93,897,022.50/11,142.34
  6. Step 6: Final answer
    x = 8,427.05

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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.