Home / 9,065.49-12,504.01-8,760.67

Finding the Fourth Proportional to 9,065.49, 12,504.01 and 8,760.67

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Solution

The fourth proportional to 9,065.49, 12,504.01 and 8,760.67 is: 12,083.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.49 : 12,504.01 = 8,760.67 : x
  2. Step 2: Convert to fraction form
    9,065.49/12,504.01 = 8,760.67/x
  3. Step 3: Cross multiply
    9,065.49x = 12,504.01 × 8,760.67
  4. Step 4: Simplify right side
    9,065.49x = 109,543,505.29
  5. Step 5: Solve for x
    x = 109,543,505.29/9,065.49
  6. Step 6: Final answer
    x = 12,083.57

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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.