Home / 13,088.96-18,062.37-7,424.22

Finding the Fourth Proportional to 13,088.96, 18,062.37 and 7,424.22

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Solution

The fourth proportional to 13,088.96, 18,062.37 and 7,424.22 is: 10,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.96 : 18,062.37 = 7,424.22 : x
  2. Step 2: Convert to fraction form
    13,088.96/18,062.37 = 7,424.22/x
  3. Step 3: Cross multiply
    13,088.96x = 18,062.37 × 7,424.22
  4. Step 4: Simplify right side
    13,088.96x = 134,099,008.60
  5. Step 5: Solve for x
    x = 134,099,008.60/13,088.96
  6. Step 6: Final answer
    x = 10,245.20

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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.