Home / 13,080.48-18,050.99-7,112.04

Finding the Fourth Proportional to 13,080.48, 18,050.99 and 7,112.04

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Solution

The fourth proportional to 13,080.48, 18,050.99 and 7,112.04 is: 9,814.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.48 : 18,050.99 = 7,112.04 : x
  2. Step 2: Convert to fraction form
    13,080.48/18,050.99 = 7,112.04/x
  3. Step 3: Cross multiply
    13,080.48x = 18,050.99 × 7,112.04
  4. Step 4: Simplify right side
    13,080.48x = 128,379,362.92
  5. Step 5: Solve for x
    x = 128,379,362.92/13,080.48
  6. Step 6: Final answer
    x = 9,814.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.