Home / 10,392.37-15,592.20-5,392.35

Finding the Fourth Proportional to 10,392.37, 15,592.20 and 5,392.35

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Solution

The fourth proportional to 10,392.37, 15,592.20 and 5,392.35 is: 8,090.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.37 : 15,592.20 = 5,392.35 : x
  2. Step 2: Convert to fraction form
    10,392.37/15,592.20 = 5,392.35/x
  3. Step 3: Cross multiply
    10,392.37x = 15,592.20 × 5,392.35
  4. Step 4: Simplify right side
    10,392.37x = 84,078,599.67
  5. Step 5: Solve for x
    x = 84,078,599.67/10,392.37
  6. Step 6: Final answer
    x = 8,090.42

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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.