Home / 13,088.05-18,052.36-8,610.37

Finding the Fourth Proportional to 13,088.05, 18,052.36 and 8,610.37

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Solution

The fourth proportional to 13,088.05, 18,052.36 and 8,610.37 is: 11,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.05 : 18,052.36 = 8,610.37 : x
  2. Step 2: Convert to fraction form
    13,088.05/18,052.36 = 8,610.37/x
  3. Step 3: Cross multiply
    13,088.05x = 18,052.36 × 8,610.37
  4. Step 4: Simplify right side
    13,088.05x = 155,437,432.32
  5. Step 5: Solve for x
    x = 155,437,432.32/13,088.05
  6. Step 6: Final answer
    x = 11,876.29

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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.