Home / 9,342.36-12,893.10-5,364.60

Finding the Fourth Proportional to 9,342.36, 12,893.10 and 5,364.60

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Solution

The fourth proportional to 9,342.36, 12,893.10 and 5,364.60 is: 7,403.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342.36 : 12,893.10 = 5,364.60 : x
  2. Step 2: Convert to fraction form
    9,342.36/12,893.10 = 5,364.60/x
  3. Step 3: Cross multiply
    9,342.36x = 12,893.10 × 5,364.60
  4. Step 4: Simplify right side
    9,342.36x = 69,166,324.26
  5. Step 5: Solve for x
    x = 69,166,324.26/9,342.36
  6. Step 6: Final answer
    x = 7,403.52

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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.