Home / 10,161.17-14,021.75-5,684.16

Finding the Fourth Proportional to 10,161.17, 14,021.75 and 5,684.16

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Solution

The fourth proportional to 10,161.17, 14,021.75 and 5,684.16 is: 7,843.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.17 : 14,021.75 = 5,684.16 : x
  2. Step 2: Convert to fraction form
    10,161.17/14,021.75 = 5,684.16/x
  3. Step 3: Cross multiply
    10,161.17x = 14,021.75 × 5,684.16
  4. Step 4: Simplify right side
    10,161.17x = 79,701,870.48
  5. Step 5: Solve for x
    x = 79,701,870.48/10,161.17
  6. Step 6: Final answer
    x = 7,843.77

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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.