Home / 9,573.72-13,212.36-5,381.92

Finding the Fourth Proportional to 9,573.72, 13,212.36 and 5,381.92

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Solution

The fourth proportional to 9,573.72, 13,212.36 and 5,381.92 is: 7,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,573.72 : 13,212.36 = 5,381.92 : x
  2. Step 2: Convert to fraction form
    9,573.72/13,212.36 = 5,381.92/x
  3. Step 3: Cross multiply
    9,573.72x = 13,212.36 × 5,381.92
  4. Step 4: Simplify right side
    9,573.72x = 71,107,864.53
  5. Step 5: Solve for x
    x = 71,107,864.53/9,573.72
  6. Step 6: Final answer
    x = 7,427.40

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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.