Home / 9,240.86-13,860.07-2,667.71

Finding the Fourth Proportional to 9,240.86, 13,860.07 and 2,667.71

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Solution

The fourth proportional to 9,240.86, 13,860.07 and 2,667.71 is: 4,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.86 : 13,860.07 = 2,667.71 : x
  2. Step 2: Convert to fraction form
    9,240.86/13,860.07 = 2,667.71/x
  3. Step 3: Cross multiply
    9,240.86x = 13,860.07 × 2,667.71
  4. Step 4: Simplify right side
    9,240.86x = 36,974,647.34
  5. Step 5: Solve for x
    x = 36,974,647.34/9,240.86
  6. Step 6: Final answer
    x = 4,001.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.