Home / 9,504.12-13,112.64-5,311.56

Finding the Fourth Proportional to 9,504.12, 13,112.64 and 5,311.56

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Solution

The fourth proportional to 9,504.12, 13,112.64 and 5,311.56 is: 7,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,504.12 : 13,112.64 = 5,311.56 : x
  2. Step 2: Convert to fraction form
    9,504.12/13,112.64 = 5,311.56/x
  3. Step 3: Cross multiply
    9,504.12x = 13,112.64 × 5,311.56
  4. Step 4: Simplify right side
    9,504.12x = 69,648,574.12
  5. Step 5: Solve for x
    x = 69,648,574.12/9,504.12
  6. Step 6: Final answer
    x = 7,328.25

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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.