Home / 8,907.15-13,365.53-3,713.55

Finding the Fourth Proportional to 8,907.15, 13,365.53 and 3,713.55

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Solution

The fourth proportional to 8,907.15, 13,365.53 and 3,713.55 is: 5,572.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.15 : 13,365.53 = 3,713.55 : x
  2. Step 2: Convert to fraction form
    8,907.15/13,365.53 = 3,713.55/x
  3. Step 3: Cross multiply
    8,907.15x = 13,365.53 × 3,713.55
  4. Step 4: Simplify right side
    8,907.15x = 49,633,545.36
  5. Step 5: Solve for x
    x = 49,633,545.36/8,907.15
  6. Step 6: Final answer
    x = 5,572.33

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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.