Home / 13,611.06-18,784.19-7,562.01

Finding the Fourth Proportional to 13,611.06, 18,784.19 and 7,562.01

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Solution

The fourth proportional to 13,611.06, 18,784.19 and 7,562.01 is: 10,436.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611.06 : 18,784.19 = 7,562.01 : x
  2. Step 2: Convert to fraction form
    13,611.06/18,784.19 = 7,562.01/x
  3. Step 3: Cross multiply
    13,611.06x = 18,784.19 × 7,562.01
  4. Step 4: Simplify right side
    13,611.06x = 142,046,232.62
  5. Step 5: Solve for x
    x = 142,046,232.62/13,611.06
  6. Step 6: Final answer
    x = 10,436.09

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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.