Home / 9,394.10-12,963.87-5,415.48

Finding the Fourth Proportional to 9,394.10, 12,963.87 and 5,415.48

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Solution

The fourth proportional to 9,394.10, 12,963.87 and 5,415.48 is: 7,473.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,394.10 : 12,963.87 = 5,415.48 : x
  2. Step 2: Convert to fraction form
    9,394.10/12,963.87 = 5,415.48/x
  3. Step 3: Cross multiply
    9,394.10x = 12,963.87 × 5,415.48
  4. Step 4: Simplify right side
    9,394.10x = 70,205,630.40
  5. Step 5: Solve for x
    x = 70,205,630.40/9,394.10
  6. Step 6: Final answer
    x = 7,473.37

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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.