Home / 10,039.77-13,855.86-5,847.75

Finding the Fourth Proportional to 10,039.77, 13,855.86 and 5,847.75

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Solution

The fourth proportional to 10,039.77, 13,855.86 and 5,847.75 is: 8,070.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.77 : 13,855.86 = 5,847.75 : x
  2. Step 2: Convert to fraction form
    10,039.77/13,855.86 = 5,847.75/x
  3. Step 3: Cross multiply
    10,039.77x = 13,855.86 × 5,847.75
  4. Step 4: Simplify right side
    10,039.77x = 81,025,605.32
  5. Step 5: Solve for x
    x = 81,025,605.32/10,039.77
  6. Step 6: Final answer
    x = 8,070.46

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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.