Home / 10,840.20-14,971.74-7,297.26

Finding the Fourth Proportional to 10,840.20, 14,971.74 and 7,297.26

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Solution

The fourth proportional to 10,840.20, 14,971.74 and 7,297.26 is: 10,078.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,840.20 : 14,971.74 = 7,297.26 : x
  2. Step 2: Convert to fraction form
    10,840.20/14,971.74 = 7,297.26/x
  3. Step 3: Cross multiply
    10,840.20x = 14,971.74 × 7,297.26
  4. Step 4: Simplify right side
    10,840.20x = 109,252,679.43
  5. Step 5: Solve for x
    x = 109,252,679.43/10,840.20
  6. Step 6: Final answer
    x = 10,078.47

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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.