Home / 7,727.48-11,570.62-5,267.12

Finding the Fourth Proportional to 7,727.48, 11,570.62 and 5,267.12

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Solution

The fourth proportional to 7,727.48, 11,570.62 and 5,267.12 is: 7,886.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.48 : 11,570.62 = 5,267.12 : x
  2. Step 2: Convert to fraction form
    7,727.48/11,570.62 = 5,267.12/x
  3. Step 3: Cross multiply
    7,727.48x = 11,570.62 × 5,267.12
  4. Step 4: Simplify right side
    7,727.48x = 60,943,844.01
  5. Step 5: Solve for x
    x = 60,943,844.01/7,727.48
  6. Step 6: Final answer
    x = 7,886.64

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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.