Home / 9,072.08-12,521.13-5,297.48

Finding the Fourth Proportional to 9,072.08, 12,521.13 and 5,297.48

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Solution

The fourth proportional to 9,072.08, 12,521.13 and 5,297.48 is: 7,311.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.08 : 12,521.13 = 5,297.48 : x
  2. Step 2: Convert to fraction form
    9,072.08/12,521.13 = 5,297.48/x
  3. Step 3: Cross multiply
    9,072.08x = 12,521.13 × 5,297.48
  4. Step 4: Simplify right side
    9,072.08x = 66,330,435.75
  5. Step 5: Solve for x
    x = 66,330,435.75/9,072.08
  6. Step 6: Final answer
    x = 7,311.49

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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.