Home / 10,015.32-15,032.06-5,339.26

Finding the Fourth Proportional to 10,015.32, 15,032.06 and 5,339.26

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Solution

The fourth proportional to 10,015.32, 15,032.06 and 5,339.26 is: 8,013.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.32 : 15,032.06 = 5,339.26 : x
  2. Step 2: Convert to fraction form
    10,015.32/15,032.06 = 5,339.26/x
  3. Step 3: Cross multiply
    10,015.32x = 15,032.06 × 5,339.26
  4. Step 4: Simplify right side
    10,015.32x = 80,260,052.44
  5. Step 5: Solve for x
    x = 80,260,052.44/10,015.32
  6. Step 6: Final answer
    x = 8,013.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.