Home / 7,548.74-11,287.08-6,887.05

Finding the Fourth Proportional to 7,548.74, 11,287.08 and 6,887.05

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Solution

The fourth proportional to 7,548.74, 11,287.08 and 6,887.05 is: 10,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,548.74 : 11,287.08 = 6,887.05 : x
  2. Step 2: Convert to fraction form
    7,548.74/11,287.08 = 6,887.05/x
  3. Step 3: Cross multiply
    7,548.74x = 11,287.08 × 6,887.05
  4. Step 4: Simplify right side
    7,548.74x = 77,734,716.90
  5. Step 5: Solve for x
    x = 77,734,716.90/7,548.74
  6. Step 6: Final answer
    x = 10,297.70

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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.