Home / 9,719.72-13,414.44-5,527.16

Finding the Fourth Proportional to 9,719.72, 13,414.44 and 5,527.16

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Solution

The fourth proportional to 9,719.72, 13,414.44 and 5,527.16 is: 7,628.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.72 : 13,414.44 = 5,527.16 : x
  2. Step 2: Convert to fraction form
    9,719.72/13,414.44 = 5,527.16/x
  3. Step 3: Cross multiply
    9,719.72x = 13,414.44 × 5,527.16
  4. Step 4: Simplify right side
    9,719.72x = 74,143,756.19
  5. Step 5: Solve for x
    x = 74,143,756.19/9,719.72
  6. Step 6: Final answer
    x = 7,628.18

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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.