Home / 35,690.76-53,537.01-11,998.65

Finding the Fourth Proportional to 35,690.76, 53,537.01 and 11,998.65

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Solution

The fourth proportional to 35,690.76, 53,537.01 and 11,998.65 is: 17,998.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,690.76 : 53,537.01 = 11,998.65 : x
  2. Step 2: Convert to fraction form
    35,690.76/53,537.01 = 11,998.65/x
  3. Step 3: Cross multiply
    35,690.76x = 53,537.01 × 11,998.65
  4. Step 4: Simplify right side
    35,690.76x = 642,371,845.04
  5. Step 5: Solve for x
    x = 642,371,845.04/35,690.76
  6. Step 6: Final answer
    x = 17,998.27

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1.5x scale

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.