Home / 8,533.36-11,777.88-5,223.28

Finding the Fourth Proportional to 8,533.36, 11,777.88 and 5,223.28

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Solution

The fourth proportional to 8,533.36, 11,777.88 and 5,223.28 is: 7,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533.36 : 11,777.88 = 5,223.28 : x
  2. Step 2: Convert to fraction form
    8,533.36/11,777.88 = 5,223.28/x
  3. Step 3: Cross multiply
    8,533.36x = 11,777.88 × 5,223.28
  4. Step 4: Simplify right side
    8,533.36x = 61,519,165.05
  5. Step 5: Solve for x
    x = 61,519,165.05/8,533.36
  6. Step 6: Final answer
    x = 7,209.25

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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.