Home / 11,297.19-15,590.25-6,261.50

Finding the Fourth Proportional to 11,297.19, 15,590.25 and 6,261.50

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Solution

The fourth proportional to 11,297.19, 15,590.25 and 6,261.50 is: 8,640.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.19 : 15,590.25 = 6,261.50 : x
  2. Step 2: Convert to fraction form
    11,297.19/15,590.25 = 6,261.50/x
  3. Step 3: Cross multiply
    11,297.19x = 15,590.25 × 6,261.50
  4. Step 4: Simplify right side
    11,297.19x = 97,618,389.35
  5. Step 5: Solve for x
    x = 97,618,389.35/11,297.19
  6. Step 6: Final answer
    x = 8,640.94

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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.