Home / 10,140.02-13,991.73-5,949.62

Finding the Fourth Proportional to 10,140.02, 13,991.73 and 5,949.62

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Solution

The fourth proportional to 10,140.02, 13,991.73 and 5,949.62 is: 8,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.02 : 13,991.73 = 5,949.62 : x
  2. Step 2: Convert to fraction form
    10,140.02/13,991.73 = 5,949.62/x
  3. Step 3: Cross multiply
    10,140.02x = 13,991.73 × 5,949.62
  4. Step 4: Simplify right side
    10,140.02x = 83,245,476.64
  5. Step 5: Solve for x
    x = 83,245,476.64/10,140.02
  6. Step 6: Final answer
    x = 8,209.60

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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.