Home / 9,078.21-13,599.54-6,260.40

Finding the Fourth Proportional to 9,078.21, 13,599.54 and 6,260.40

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Solution

The fourth proportional to 9,078.21, 13,599.54 and 6,260.40 is: 9,378.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.21 : 13,599.54 = 6,260.40 : x
  2. Step 2: Convert to fraction form
    9,078.21/13,599.54 = 6,260.40/x
  3. Step 3: Cross multiply
    9,078.21x = 13,599.54 × 6,260.40
  4. Step 4: Simplify right side
    9,078.21x = 85,138,560.22
  5. Step 5: Solve for x
    x = 85,138,560.22/9,078.21
  6. Step 6: Final answer
    x = 9,378.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.