Home / 10,320.85-14,243.75-5,845.42

Finding the Fourth Proportional to 10,320.85, 14,243.75 and 5,845.42

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Solution

The fourth proportional to 10,320.85, 14,243.75 and 5,845.42 is: 8,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.85 : 14,243.75 = 5,845.42 : x
  2. Step 2: Convert to fraction form
    10,320.85/14,243.75 = 5,845.42/x
  3. Step 3: Cross multiply
    10,320.85x = 14,243.75 × 5,845.42
  4. Step 4: Simplify right side
    10,320.85x = 83,260,701.13
  5. Step 5: Solve for x
    x = 83,260,701.13/10,320.85
  6. Step 6: Final answer
    x = 8,067.23

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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.