Home / 7,365.12-11,051.52-4,285.44

Finding the Fourth Proportional to 7,365.12, 11,051.52 and 4,285.44

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Solution

The fourth proportional to 7,365.12, 11,051.52 and 4,285.44 is: 6,430.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.12 : 11,051.52 = 4,285.44 : x
  2. Step 2: Convert to fraction form
    7,365.12/11,051.52 = 4,285.44/x
  3. Step 3: Cross multiply
    7,365.12x = 11,051.52 × 4,285.44
  4. Step 4: Simplify right side
    7,365.12x = 47,360,625.87
  5. Step 5: Solve for x
    x = 47,360,625.87/7,365.12
  6. Step 6: Final answer
    x = 6,430.39

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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.