Home / 9,071.42-13,603.02-3,228.18

Finding the Fourth Proportional to 9,071.42, 13,603.02 and 3,228.18

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Solution

The fourth proportional to 9,071.42, 13,603.02 and 3,228.18 is: 4,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071.42 : 13,603.02 = 3,228.18 : x
  2. Step 2: Convert to fraction form
    9,071.42/13,603.02 = 3,228.18/x
  3. Step 3: Cross multiply
    9,071.42x = 13,603.02 × 3,228.18
  4. Step 4: Simplify right side
    9,071.42x = 43,912,997.10
  5. Step 5: Solve for x
    x = 43,912,997.10/9,071.42
  6. Step 6: Final answer
    x = 4,840.81

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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.