Home / 12,897.36-17,837.64-11,570.58

Finding the Fourth Proportional to 12,897.36, 17,837.64 and 11,570.58

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Solution

The fourth proportional to 12,897.36, 17,837.64 and 11,570.58 is: 16,002.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,897.36 : 17,837.64 = 11,570.58 : x
  2. Step 2: Convert to fraction form
    12,897.36/17,837.64 = 11,570.58/x
  3. Step 3: Cross multiply
    12,897.36x = 17,837.64 × 11,570.58
  4. Step 4: Simplify right side
    12,897.36x = 206,391,840.63
  5. Step 5: Solve for x
    x = 206,391,840.63/12,897.36
  6. Step 6: Final answer
    x = 16,002.64

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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.