Home / 13,097.15-18,074.42-8,064.33

Finding the Fourth Proportional to 13,097.15, 18,074.42 and 8,064.33

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Solution

The fourth proportional to 13,097.15, 18,074.42 and 8,064.33 is: 11,128.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,097.15 : 18,074.42 = 8,064.33 : x
  2. Step 2: Convert to fraction form
    13,097.15/18,074.42 = 8,064.33/x
  3. Step 3: Cross multiply
    13,097.15x = 18,074.42 × 8,064.33
  4. Step 4: Simplify right side
    13,097.15x = 145,757,956.74
  5. Step 5: Solve for x
    x = 145,757,956.74/13,097.15
  6. Step 6: Final answer
    x = 11,128.98

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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.