Home / 13,052.56-18,012.60-7,084.48

Finding the Fourth Proportional to 13,052.56, 18,012.60 and 7,084.48

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Solution

The fourth proportional to 13,052.56, 18,012.60 and 7,084.48 is: 9,776.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.56 : 18,012.60 = 7,084.48 : x
  2. Step 2: Convert to fraction form
    13,052.56/18,012.60 = 7,084.48/x
  3. Step 3: Cross multiply
    13,052.56x = 18,012.60 × 7,084.48
  4. Step 4: Simplify right side
    13,052.56x = 127,609,904.45
  5. Step 5: Solve for x
    x = 127,609,904.45/13,052.56
  6. Step 6: Final answer
    x = 9,776.62

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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.