Home / 9,050.86-12,489.96-5,072.23

Finding the Fourth Proportional to 9,050.86, 12,489.96 and 5,072.23

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Solution

The fourth proportional to 9,050.86, 12,489.96 and 5,072.23 is: 6,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050.86 : 12,489.96 = 5,072.23 : x
  2. Step 2: Convert to fraction form
    9,050.86/12,489.96 = 5,072.23/x
  3. Step 3: Cross multiply
    9,050.86x = 12,489.96 × 5,072.23
  4. Step 4: Simplify right side
    9,050.86x = 63,351,949.81
  5. Step 5: Solve for x
    x = 63,351,949.81/9,050.86
  6. Step 6: Final answer
    x = 6,999.55

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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.