Home / 9,370.23-12,930.93-5,391.26

Finding the Fourth Proportional to 9,370.23, 12,930.93 and 5,391.26

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Solution

The fourth proportional to 9,370.23, 12,930.93 and 5,391.26 is: 7,439.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.23 : 12,930.93 = 5,391.26 : x
  2. Step 2: Convert to fraction form
    9,370.23/12,930.93 = 5,391.26/x
  3. Step 3: Cross multiply
    9,370.23x = 12,930.93 × 5,391.26
  4. Step 4: Simplify right side
    9,370.23x = 69,714,038.00
  5. Step 5: Solve for x
    x = 69,714,038.00/9,370.23
  6. Step 6: Final answer
    x = 7,439.95

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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.