Home / 9,719.45-13,412.93-5,527.70

Finding the Fourth Proportional to 9,719.45, 13,412.93 and 5,527.70

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Solution

The fourth proportional to 9,719.45, 13,412.93 and 5,527.70 is: 7,628.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.45 : 13,412.93 = 5,527.70 : x
  2. Step 2: Convert to fraction form
    9,719.45/13,412.93 = 5,527.70/x
  3. Step 3: Cross multiply
    9,719.45x = 13,412.93 × 5,527.70
  4. Step 4: Simplify right side
    9,719.45x = 74,142,653.16
  5. Step 5: Solve for x
    x = 74,142,653.16/9,719.45
  6. Step 6: Final answer
    x = 7,628.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.