Home / 9,119.58-12,567.82-6,597.40

Finding the Fourth Proportional to 9,119.58, 12,567.82 and 6,597.40

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Solution

The fourth proportional to 9,119.58, 12,567.82 and 6,597.40 is: 9,091.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.58 : 12,567.82 = 6,597.40 : x
  2. Step 2: Convert to fraction form
    9,119.58/12,567.82 = 6,597.40/x
  3. Step 3: Cross multiply
    9,119.58x = 12,567.82 × 6,597.40
  4. Step 4: Simplify right side
    9,119.58x = 82,914,935.67
  5. Step 5: Solve for x
    x = 82,914,935.67/9,119.58
  6. Step 6: Final answer
    x = 9,091.97

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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.