Home / 6,746.77-10,120.11-1,816.01

Finding the Fourth Proportional to 6,746.77, 10,120.11 and 1,816.01

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Solution

The fourth proportional to 6,746.77, 10,120.11 and 1,816.01 is: 2,724.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.77 : 10,120.11 = 1,816.01 : x
  2. Step 2: Convert to fraction form
    6,746.77/10,120.11 = 1,816.01/x
  3. Step 3: Cross multiply
    6,746.77x = 10,120.11 × 1,816.01
  4. Step 4: Simplify right side
    6,746.77x = 18,378,220.96
  5. Step 5: Solve for x
    x = 18,378,220.96/6,746.77
  6. Step 6: Final answer
    x = 2,724.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.