Home / 13,370.37-18,452.48-7,705.32

Finding the Fourth Proportional to 13,370.37, 18,452.48 and 7,705.32

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Solution

The fourth proportional to 13,370.37, 18,452.48 and 7,705.32 is: 10,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.37 : 18,452.48 = 7,705.32 : x
  2. Step 2: Convert to fraction form
    13,370.37/18,452.48 = 7,705.32/x
  3. Step 3: Cross multiply
    13,370.37x = 18,452.48 × 7,705.32
  4. Step 4: Simplify right side
    13,370.37x = 142,182,224.67
  5. Step 5: Solve for x
    x = 142,182,224.67/13,370.37
  6. Step 6: Final answer
    x = 10,634.13

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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.