Home / 9,808.83-13,539.15-6,666.84

Finding the Fourth Proportional to 9,808.83, 13,539.15 and 6,666.84

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Solution

The fourth proportional to 9,808.83, 13,539.15 and 6,666.84 is: 9,202.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,808.83 : 13,539.15 = 6,666.84 : x
  2. Step 2: Convert to fraction form
    9,808.83/13,539.15 = 6,666.84/x
  3. Step 3: Cross multiply
    9,808.83x = 13,539.15 × 6,666.84
  4. Step 4: Simplify right side
    9,808.83x = 90,263,346.79
  5. Step 5: Solve for x
    x = 90,263,346.79/9,808.83
  6. Step 6: Final answer
    x = 9,202.25

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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.