Home / 8,412.08-11,610.36-5,267.12

Finding the Fourth Proportional to 8,412.08, 11,610.36 and 5,267.12

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Solution

The fourth proportional to 8,412.08, 11,610.36 and 5,267.12 is: 7,269.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.08 : 11,610.36 = 5,267.12 : x
  2. Step 2: Convert to fraction form
    8,412.08/11,610.36 = 5,267.12/x
  3. Step 3: Cross multiply
    8,412.08x = 11,610.36 × 5,267.12
  4. Step 4: Simplify right side
    8,412.08x = 61,153,159.36
  5. Step 5: Solve for x
    x = 61,153,159.36/8,412.08
  6. Step 6: Final answer
    x = 7,269.68

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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.