Home / 7,965.40-11,924.74-5,585.23

Finding the Fourth Proportional to 7,965.40, 11,924.74 and 5,585.23

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Solution

The fourth proportional to 7,965.40, 11,924.74 and 5,585.23 is: 8,361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.40 : 11,924.74 = 5,585.23 : x
  2. Step 2: Convert to fraction form
    7,965.40/11,924.74 = 5,585.23/x
  3. Step 3: Cross multiply
    7,965.40x = 11,924.74 × 5,585.23
  4. Step 4: Simplify right side
    7,965.40x = 66,602,338.98
  5. Step 5: Solve for x
    x = 66,602,338.98/7,965.40
  6. Step 6: Final answer
    x = 8,361.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.