Home / 9,813.96-13,539.56-6,271.02

Finding the Fourth Proportional to 9,813.96, 13,539.56 and 6,271.02

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Solution

The fourth proportional to 9,813.96, 13,539.56 and 6,271.02 is: 8,651.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.96 : 13,539.56 = 6,271.02 : x
  2. Step 2: Convert to fraction form
    9,813.96/13,539.56 = 6,271.02/x
  3. Step 3: Cross multiply
    9,813.96x = 13,539.56 × 6,271.02
  4. Step 4: Simplify right side
    9,813.96x = 84,906,820.20
  5. Step 5: Solve for x
    x = 84,906,820.20/9,813.96
  6. Step 6: Final answer
    x = 8,651.64

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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.