Home / 10,984.55-15,163.61-7,010.96

Finding the Fourth Proportional to 10,984.55, 15,163.61 and 7,010.96

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Solution

The fourth proportional to 10,984.55, 15,163.61 and 7,010.96 is: 9,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,984.55 : 15,163.61 = 7,010.96 : x
  2. Step 2: Convert to fraction form
    10,984.55/15,163.61 = 7,010.96/x
  3. Step 3: Cross multiply
    10,984.55x = 15,163.61 × 7,010.96
  4. Step 4: Simplify right side
    10,984.55x = 106,311,352.29
  5. Step 5: Solve for x
    x = 106,311,352.29/10,984.55
  6. Step 6: Final answer
    x = 9,678.27

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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.