Home / 9,342.26-12,893.22-6,980.30

Finding the Fourth Proportional to 9,342.26, 12,893.22 and 6,980.30

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Solution

The fourth proportional to 9,342.26, 12,893.22 and 6,980.30 is: 9,633.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342.26 : 12,893.22 = 6,980.30 : x
  2. Step 2: Convert to fraction form
    9,342.26/12,893.22 = 6,980.30/x
  3. Step 3: Cross multiply
    9,342.26x = 12,893.22 × 6,980.30
  4. Step 4: Simplify right side
    9,342.26x = 89,998,479.10
  5. Step 5: Solve for x
    x = 89,998,479.10/9,342.26
  6. Step 6: Final answer
    x = 9,633.49

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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.