Home / 10,467.31-14,416.80-9,679.04

Finding the Fourth Proportional to 10,467.31, 14,416.80 and 9,679.04

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Solution

The fourth proportional to 10,467.31, 14,416.80 and 9,679.04 is: 13,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,467.31 : 14,416.80 = 9,679.04 : x
  2. Step 2: Convert to fraction form
    10,467.31/14,416.80 = 9,679.04/x
  3. Step 3: Cross multiply
    10,467.31x = 14,416.80 × 9,679.04
  4. Step 4: Simplify right side
    10,467.31x = 139,540,783.87
  5. Step 5: Solve for x
    x = 139,540,783.87/10,467.31
  6. Step 6: Final answer
    x = 13,331.11

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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.