Home / 37,682.30-56,531.55-11,389.70

Finding the Fourth Proportional to 37,682.30, 56,531.55 and 11,389.70

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Solution

The fourth proportional to 37,682.30, 56,531.55 and 11,389.70 is: 17,087.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,682.30 : 56,531.55 = 11,389.70 : x
  2. Step 2: Convert to fraction form
    37,682.30/56,531.55 = 11,389.70/x
  3. Step 3: Cross multiply
    37,682.30x = 56,531.55 × 11,389.70
  4. Step 4: Simplify right side
    37,682.30x = 643,877,395.04
  5. Step 5: Solve for x
    x = 643,877,395.04/37,682.30
  6. Step 6: Final answer
    x = 17,087.00

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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.