Home / 9,486.09-13,090.65-5,237.57

Finding the Fourth Proportional to 9,486.09, 13,090.65 and 5,237.57

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Solution

The fourth proportional to 9,486.09, 13,090.65 and 5,237.57 is: 7,227.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486.09 : 13,090.65 = 5,237.57 : x
  2. Step 2: Convert to fraction form
    9,486.09/13,090.65 = 5,237.57/x
  3. Step 3: Cross multiply
    9,486.09x = 13,090.65 × 5,237.57
  4. Step 4: Simplify right side
    9,486.09x = 68,563,195.72
  5. Step 5: Solve for x
    x = 68,563,195.72/9,486.09
  6. Step 6: Final answer
    x = 7,227.76

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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.