Home / 10,249.95-14,042.48-9,866.00

Finding the Fourth Proportional to 10,249.95, 14,042.48 and 9,866.00

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Solution

The fourth proportional to 10,249.95, 14,042.48 and 9,866.00 is: 13,516.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.95 : 14,042.48 = 9,866.00 : x
  2. Step 2: Convert to fraction form
    10,249.95/14,042.48 = 9,866.00/x
  3. Step 3: Cross multiply
    10,249.95x = 14,042.48 × 9,866.00
  4. Step 4: Simplify right side
    10,249.95x = 138,542,988.14
  5. Step 5: Solve for x
    x = 138,542,988.14/10,249.95
  6. Step 6: Final answer
    x = 13,516.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.