Home / 13,078.44-18,048.48-7,110.24

Finding the Fourth Proportional to 13,078.44, 18,048.48 and 7,110.24

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Solution

The fourth proportional to 13,078.44, 18,048.48 and 7,110.24 is: 9,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,078.44 : 18,048.48 = 7,110.24 : x
  2. Step 2: Convert to fraction form
    13,078.44/18,048.48 = 7,110.24/x
  3. Step 3: Cross multiply
    13,078.44x = 18,048.48 × 7,110.24
  4. Step 4: Simplify right side
    13,078.44x = 128,329,024.44
  5. Step 5: Solve for x
    x = 128,329,024.44/13,078.44
  6. Step 6: Final answer
    x = 9,812.26

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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.