Home / 11,297.22-15,590.69-6,261.55

Finding the Fourth Proportional to 11,297.22, 15,590.69 and 6,261.55

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Solution

The fourth proportional to 11,297.22, 15,590.69 and 6,261.55 is: 8,641.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.22 : 15,590.69 = 6,261.55 : x
  2. Step 2: Convert to fraction form
    11,297.22/15,590.69 = 6,261.55/x
  3. Step 3: Cross multiply
    11,297.22x = 15,590.69 × 6,261.55
  4. Step 4: Simplify right side
    11,297.22x = 97,621,842.48
  5. Step 5: Solve for x
    x = 97,621,842.48/11,297.22
  6. Step 6: Final answer
    x = 8,641.23

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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.