Home / 11,098.42-15,313.46-7,740.01

Finding the Fourth Proportional to 11,098.42, 15,313.46 and 7,740.01

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Solution

The fourth proportional to 11,098.42, 15,313.46 and 7,740.01 is: 10,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.42 : 15,313.46 = 7,740.01 : x
  2. Step 2: Convert to fraction form
    11,098.42/15,313.46 = 7,740.01/x
  3. Step 3: Cross multiply
    11,098.42x = 15,313.46 × 7,740.01
  4. Step 4: Simplify right side
    11,098.42x = 118,526,227.84
  5. Step 5: Solve for x
    x = 118,526,227.84/11,098.42
  6. Step 6: Final answer
    x = 10,679.56

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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.