Home / 8,475.36-11,698.56-5,491.36

Finding the Fourth Proportional to 8,475.36, 11,698.56 and 5,491.36

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Solution

The fourth proportional to 8,475.36, 11,698.56 and 5,491.36 is: 7,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.36 : 11,698.56 = 5,491.36 : x
  2. Step 2: Convert to fraction form
    8,475.36/11,698.56 = 5,491.36/x
  3. Step 3: Cross multiply
    8,475.36x = 11,698.56 × 5,491.36
  4. Step 4: Simplify right side
    8,475.36x = 64,241,004.44
  5. Step 5: Solve for x
    x = 64,241,004.44/8,475.36
  6. Step 6: Final answer
    x = 7,579.74

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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.