Home / 37,991.19-56,986.80-11,689.77

Finding the Fourth Proportional to 37,991.19, 56,986.80 and 11,689.77

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Solution

The fourth proportional to 37,991.19, 56,986.80 and 11,689.77 is: 17,534.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,991.19 : 56,986.80 = 11,689.77 : x
  2. Step 2: Convert to fraction form
    37,991.19/56,986.80 = 11,689.77/x
  3. Step 3: Cross multiply
    37,991.19x = 56,986.80 × 11,689.77
  4. Step 4: Simplify right side
    37,991.19x = 666,162,585.04
  5. Step 5: Solve for x
    x = 666,162,585.04/37,991.19
  6. Step 6: Final answer
    x = 17,534.66

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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.