Home / 11,116.38-15,276.44-10,602.42

Finding the Fourth Proportional to 11,116.38, 15,276.44 and 10,602.42

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Solution

The fourth proportional to 11,116.38, 15,276.44 and 10,602.42 is: 14,570.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.38 : 15,276.44 = 10,602.42 : x
  2. Step 2: Convert to fraction form
    11,116.38/15,276.44 = 10,602.42/x
  3. Step 3: Cross multiply
    11,116.38x = 15,276.44 × 10,602.42
  4. Step 4: Simplify right side
    11,116.38x = 161,967,232.98
  5. Step 5: Solve for x
    x = 161,967,232.98/11,116.38
  6. Step 6: Final answer
    x = 14,570.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.