Home / 9,372.36-12,933.41-5,123.64

Finding the Fourth Proportional to 9,372.36, 12,933.41 and 5,123.64

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Solution

The fourth proportional to 9,372.36, 12,933.41 and 5,123.64 is: 7,070.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.36 : 12,933.41 = 5,123.64 : x
  2. Step 2: Convert to fraction form
    9,372.36/12,933.41 = 5,123.64/x
  3. Step 3: Cross multiply
    9,372.36x = 12,933.41 × 5,123.64
  4. Step 4: Simplify right side
    9,372.36x = 66,266,136.81
  5. Step 5: Solve for x
    x = 66,266,136.81/9,372.36
  6. Step 6: Final answer
    x = 7,070.38

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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.