Home / 10,086.97-15,133.74-4,242.01

Finding the Fourth Proportional to 10,086.97, 15,133.74 and 4,242.01

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Solution

The fourth proportional to 10,086.97, 15,133.74 and 4,242.01 is: 6,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086.97 : 15,133.74 = 4,242.01 : x
  2. Step 2: Convert to fraction form
    10,086.97/15,133.74 = 4,242.01/x
  3. Step 3: Cross multiply
    10,086.97x = 15,133.74 × 4,242.01
  4. Step 4: Simplify right side
    10,086.97x = 64,197,476.42
  5. Step 5: Solve for x
    x = 64,197,476.42/10,086.97
  6. Step 6: Final answer
    x = 6,364.40

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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.