Home / 9,816.96-13,543.70-6,274.02

Finding the Fourth Proportional to 9,816.96, 13,543.70 and 6,274.02

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Solution

The fourth proportional to 9,816.96, 13,543.70 and 6,274.02 is: 8,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.96 : 13,543.70 = 6,274.02 : x
  2. Step 2: Convert to fraction form
    9,816.96/13,543.70 = 6,274.02/x
  3. Step 3: Cross multiply
    9,816.96x = 13,543.70 × 6,274.02
  4. Step 4: Simplify right side
    9,816.96x = 84,973,413.30
  5. Step 5: Solve for x
    x = 84,973,413.30/9,816.96
  6. Step 6: Final answer
    x = 8,655.78

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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.