Home / 9,192.02-12,683.67-5,212.37

Finding the Fourth Proportional to 9,192.02, 12,683.67 and 5,212.37

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Solution

The fourth proportional to 9,192.02, 12,683.67 and 5,212.37 is: 7,192.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.02 : 12,683.67 = 5,212.37 : x
  2. Step 2: Convert to fraction form
    9,192.02/12,683.67 = 5,212.37/x
  3. Step 3: Cross multiply
    9,192.02x = 12,683.67 × 5,212.37
  4. Step 4: Simplify right side
    9,192.02x = 66,111,917.58
  5. Step 5: Solve for x
    x = 66,111,917.58/9,192.02
  6. Step 6: Final answer
    x = 7,192.32

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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.