Home / 9,415.44-12,998.76-5,880.48

Finding the Fourth Proportional to 9,415.44, 12,998.76 and 5,880.48

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Solution

The fourth proportional to 9,415.44, 12,998.76 and 5,880.48 is: 8,118.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.44 : 12,998.76 = 5,880.48 : x
  2. Step 2: Convert to fraction form
    9,415.44/12,998.76 = 5,880.48/x
  3. Step 3: Cross multiply
    9,415.44x = 12,998.76 × 5,880.48
  4. Step 4: Simplify right side
    9,415.44x = 76,438,948.20
  5. Step 5: Solve for x
    x = 76,438,948.20/9,415.44
  6. Step 6: Final answer
    x = 8,118.47

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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.