Home / 10,328.95-15,493.46-4,090.44

Finding the Fourth Proportional to 10,328.95, 15,493.46 and 4,090.44

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Solution

The fourth proportional to 10,328.95, 15,493.46 and 4,090.44 is: 6,135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.95 : 15,493.46 = 4,090.44 : x
  2. Step 2: Convert to fraction form
    10,328.95/15,493.46 = 4,090.44/x
  3. Step 3: Cross multiply
    10,328.95x = 15,493.46 × 4,090.44
  4. Step 4: Simplify right side
    10,328.95x = 63,374,970.60
  5. Step 5: Solve for x
    x = 63,374,970.60/10,328.95
  6. Step 6: Final answer
    x = 6,135.66

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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.