Home / 9,135.51-13,703.14-5,237.13

Finding the Fourth Proportional to 9,135.51, 13,703.14 and 5,237.13

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Solution

The fourth proportional to 9,135.51, 13,703.14 and 5,237.13 is: 7,855.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.51 : 13,703.14 = 5,237.13 : x
  2. Step 2: Convert to fraction form
    9,135.51/13,703.14 = 5,237.13/x
  3. Step 3: Cross multiply
    9,135.51x = 13,703.14 × 5,237.13
  4. Step 4: Simplify right side
    9,135.51x = 71,765,125.59
  5. Step 5: Solve for x
    x = 71,765,125.59/9,135.51
  6. Step 6: Final answer
    x = 7,855.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.