Home / 7,647.36-11,472.72-3,030.24

Finding the Fourth Proportional to 7,647.36, 11,472.72 and 3,030.24

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Solution

The fourth proportional to 7,647.36, 11,472.72 and 3,030.24 is: 4,546.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.36 : 11,472.72 = 3,030.24 : x
  2. Step 2: Convert to fraction form
    7,647.36/11,472.72 = 3,030.24/x
  3. Step 3: Cross multiply
    7,647.36x = 11,472.72 × 3,030.24
  4. Step 4: Simplify right side
    7,647.36x = 34,765,095.05
  5. Step 5: Solve for x
    x = 34,765,095.05/7,647.36
  6. Step 6: Final answer
    x = 4,546.03

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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.