Home / 10,852.98-16,360.80-10,129.64

Finding the Fourth Proportional to 10,852.98, 16,360.80 and 10,129.64

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Solution

The fourth proportional to 10,852.98, 16,360.80 and 10,129.64 is: 15,270.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,852.98 : 16,360.80 = 10,129.64 : x
  2. Step 2: Convert to fraction form
    10,852.98/16,360.80 = 10,129.64/x
  3. Step 3: Cross multiply
    10,852.98x = 16,360.80 × 10,129.64
  4. Step 4: Simplify right side
    10,852.98x = 165,728,932.31
  5. Step 5: Solve for x
    x = 165,728,932.31/10,852.98
  6. Step 6: Final answer
    x = 15,270.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.