Home / 7,845.10-10,826.19-4,308.23

Finding the Fourth Proportional to 7,845.10, 10,826.19 and 4,308.23

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Solution

The fourth proportional to 7,845.10, 10,826.19 and 4,308.23 is: 5,945.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.10 : 10,826.19 = 4,308.23 : x
  2. Step 2: Convert to fraction form
    7,845.10/10,826.19 = 4,308.23/x
  3. Step 3: Cross multiply
    7,845.10x = 10,826.19 × 4,308.23
  4. Step 4: Simplify right side
    7,845.10x = 46,641,743.61
  5. Step 5: Solve for x
    x = 46,641,743.61/7,845.10
  6. Step 6: Final answer
    x = 5,945.34

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Double scale
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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.