Home / 10,181.15-14,043.13-5,989.40

Finding the Fourth Proportional to 10,181.15, 14,043.13 and 5,989.40

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Solution

The fourth proportional to 10,181.15, 14,043.13 and 5,989.40 is: 8,261.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.15 : 14,043.13 = 5,989.40 : x
  2. Step 2: Convert to fraction form
    10,181.15/14,043.13 = 5,989.40/x
  3. Step 3: Cross multiply
    10,181.15x = 14,043.13 × 5,989.40
  4. Step 4: Simplify right side
    10,181.15x = 84,109,837.63
  5. Step 5: Solve for x
    x = 84,109,837.63/10,181.15
  6. Step 6: Final answer
    x = 8,261.33

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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.