Home / 9,371.08-12,930.36-5,392.36

Finding the Fourth Proportional to 9,371.08, 12,930.36 and 5,392.36

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Solution

The fourth proportional to 9,371.08, 12,930.36 and 5,392.36 is: 7,440.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,371.08 : 12,930.36 = 5,392.36 : x
  2. Step 2: Convert to fraction form
    9,371.08/12,930.36 = 5,392.36/x
  3. Step 3: Cross multiply
    9,371.08x = 12,930.36 × 5,392.36
  4. Step 4: Simplify right side
    9,371.08x = 69,725,156.05
  5. Step 5: Solve for x
    x = 69,725,156.05/9,371.08
  6. Step 6: Final answer
    x = 7,440.46

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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.