Home / 9,131.04-13,674.48-5,223.60

Finding the Fourth Proportional to 9,131.04, 13,674.48 and 5,223.60

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Solution

The fourth proportional to 9,131.04, 13,674.48 and 5,223.60 is: 7,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131.04 : 13,674.48 = 5,223.60 : x
  2. Step 2: Convert to fraction form
    9,131.04/13,674.48 = 5,223.60/x
  3. Step 3: Cross multiply
    9,131.04x = 13,674.48 × 5,223.60
  4. Step 4: Simplify right side
    9,131.04x = 71,430,013.73
  5. Step 5: Solve for x
    x = 71,430,013.73/9,131.04
  6. Step 6: Final answer
    x = 7,822.77

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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.