Home / 9,555.04-13,184.43-5,305.99

Finding the Fourth Proportional to 9,555.04, 13,184.43 and 5,305.99

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Solution

The fourth proportional to 9,555.04, 13,184.43 and 5,305.99 is: 7,321.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.04 : 13,184.43 = 5,305.99 : x
  2. Step 2: Convert to fraction form
    9,555.04/13,184.43 = 5,305.99/x
  3. Step 3: Cross multiply
    9,555.04x = 13,184.43 × 5,305.99
  4. Step 4: Simplify right side
    9,555.04x = 69,956,453.74
  5. Step 5: Solve for x
    x = 69,956,453.74/9,555.04
  6. Step 6: Final answer
    x = 7,321.42

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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.