Home / 13,317.03-18,370.26-8,282.07

Finding the Fourth Proportional to 13,317.03, 18,370.26 and 8,282.07

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Solution

The fourth proportional to 13,317.03, 18,370.26 and 8,282.07 is: 11,424.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.03 : 18,370.26 = 8,282.07 : x
  2. Step 2: Convert to fraction form
    13,317.03/18,370.26 = 8,282.07/x
  3. Step 3: Cross multiply
    13,317.03x = 18,370.26 × 8,282.07
  4. Step 4: Simplify right side
    13,317.03x = 152,143,779.24
  5. Step 5: Solve for x
    x = 152,143,779.24/13,317.03
  6. Step 6: Final answer
    x = 11,424.75

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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.