Home / 11,588.09-15,985.65-7,331.98

Finding the Fourth Proportional to 11,588.09, 15,985.65 and 7,331.98

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Solution

The fourth proportional to 11,588.09, 15,985.65 and 7,331.98 is: 10,114.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,588.09 : 15,985.65 = 7,331.98 : x
  2. Step 2: Convert to fraction form
    11,588.09/15,985.65 = 7,331.98/x
  3. Step 3: Cross multiply
    11,588.09x = 15,985.65 × 7,331.98
  4. Step 4: Simplify right side
    11,588.09x = 117,206,466.09
  5. Step 5: Solve for x
    x = 117,206,466.09/11,588.09
  6. Step 6: Final answer
    x = 10,114.39

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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.