Home / 9,372.10-12,933.28-5,122.98

Finding the Fourth Proportional to 9,372.10, 12,933.28 and 5,122.98

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Solution

The fourth proportional to 9,372.10, 12,933.28 and 5,122.98 is: 7,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.10 : 12,933.28 = 5,122.98 : x
  2. Step 2: Convert to fraction form
    9,372.10/12,933.28 = 5,122.98/x
  3. Step 3: Cross multiply
    9,372.10x = 12,933.28 × 5,122.98
  4. Step 4: Simplify right side
    9,372.10x = 66,256,934.77
  5. Step 5: Solve for x
    x = 66,256,934.77/9,372.10
  6. Step 6: Final answer
    x = 7,069.59

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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.