Home / 11,297.30-15,590.03-6,261.47

Finding the Fourth Proportional to 11,297.30, 15,590.03 and 6,261.47

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Solution

The fourth proportional to 11,297.30, 15,590.03 and 6,261.47 is: 8,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.30 : 15,590.03 = 6,261.47 : x
  2. Step 2: Convert to fraction form
    11,297.30/15,590.03 = 6,261.47/x
  3. Step 3: Cross multiply
    11,297.30x = 15,590.03 × 6,261.47
  4. Step 4: Simplify right side
    11,297.30x = 97,616,577.26
  5. Step 5: Solve for x
    x = 97,616,577.26/11,297.30
  6. Step 6: Final answer
    x = 8,640.70

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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.