Home / 10,039.44-13,854.96-5,563.74

Finding the Fourth Proportional to 10,039.44, 13,854.96 and 5,563.74

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Solution

The fourth proportional to 10,039.44, 13,854.96 and 5,563.74 is: 7,678.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.44 : 13,854.96 = 5,563.74 : x
  2. Step 2: Convert to fraction form
    10,039.44/13,854.96 = 5,563.74/x
  3. Step 3: Cross multiply
    10,039.44x = 13,854.96 × 5,563.74
  4. Step 4: Simplify right side
    10,039.44x = 77,085,395.15
  5. Step 5: Solve for x
    x = 77,085,395.15/10,039.44
  6. Step 6: Final answer
    x = 7,678.26

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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.