Home / 7,509.48-11,269.08-4,228.98

Finding the Fourth Proportional to 7,509.48, 11,269.08 and 4,228.98

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Solution

The fourth proportional to 7,509.48, 11,269.08 and 4,228.98 is: 6,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.48 : 11,269.08 = 4,228.98 : x
  2. Step 2: Convert to fraction form
    7,509.48/11,269.08 = 4,228.98/x
  3. Step 3: Cross multiply
    7,509.48x = 11,269.08 × 4,228.98
  4. Step 4: Simplify right side
    7,509.48x = 47,656,713.94
  5. Step 5: Solve for x
    x = 47,656,713.94/7,509.48
  6. Step 6: Final answer
    x = 6,346.21

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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.