Home / 8,698.08-11,991.60-5,898.72

Finding the Fourth Proportional to 8,698.08, 11,991.60 and 5,898.72

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Solution

The fourth proportional to 8,698.08, 11,991.60 and 5,898.72 is: 8,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.08 : 11,991.60 = 5,898.72 : x
  2. Step 2: Convert to fraction form
    8,698.08/11,991.60 = 5,898.72/x
  3. Step 3: Cross multiply
    8,698.08x = 11,991.60 × 5,898.72
  4. Step 4: Simplify right side
    8,698.08x = 70,735,090.75
  5. Step 5: Solve for x
    x = 70,735,090.75/8,698.08
  6. Step 6: Final answer
    x = 8,132.26

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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.