Home / 28,782.17-43,153.05-11,012.09

Finding the Fourth Proportional to 28,782.17, 43,153.05 and 11,012.09

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Solution

The fourth proportional to 28,782.17, 43,153.05 and 11,012.09 is: 16,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782.17 : 43,153.05 = 11,012.09 : x
  2. Step 2: Convert to fraction form
    28,782.17/43,153.05 = 11,012.09/x
  3. Step 3: Cross multiply
    28,782.17x = 43,153.05 × 11,012.09
  4. Step 4: Simplify right side
    28,782.17x = 475,205,095.90
  5. Step 5: Solve for x
    x = 475,205,095.90/28,782.17
  6. Step 6: Final answer
    x = 16,510.40

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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.