Home / 9,319.15-12,858.99-5,542.24

Finding the Fourth Proportional to 9,319.15, 12,858.99 and 5,542.24

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Solution

The fourth proportional to 9,319.15, 12,858.99 and 5,542.24 is: 7,647.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.15 : 12,858.99 = 5,542.24 : x
  2. Step 2: Convert to fraction form
    9,319.15/12,858.99 = 5,542.24/x
  3. Step 3: Cross multiply
    9,319.15x = 12,858.99 × 5,542.24
  4. Step 4: Simplify right side
    9,319.15x = 71,267,608.74
  5. Step 5: Solve for x
    x = 71,267,608.74/9,319.15
  6. Step 6: Final answer
    x = 7,647.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.