Home / 9,551.66-13,178.90-5,571.32

Finding the Fourth Proportional to 9,551.66, 13,178.90 and 5,571.32

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Solution

The fourth proportional to 9,551.66, 13,178.90 and 5,571.32 is: 7,687.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,551.66 : 13,178.90 = 5,571.32 : x
  2. Step 2: Convert to fraction form
    9,551.66/13,178.90 = 5,571.32/x
  3. Step 3: Cross multiply
    9,551.66x = 13,178.90 × 5,571.32
  4. Step 4: Simplify right side
    9,551.66x = 73,423,817.18
  5. Step 5: Solve for x
    x = 73,423,817.18/9,551.66
  6. Step 6: Final answer
    x = 7,687.03

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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.