Home / 8,856.24-12,222.09-5,322.48

Finding the Fourth Proportional to 8,856.24, 12,222.09 and 5,322.48

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Solution

The fourth proportional to 8,856.24, 12,222.09 and 5,322.48 is: 7,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.24 : 12,222.09 = 5,322.48 : x
  2. Step 2: Convert to fraction form
    8,856.24/12,222.09 = 5,322.48/x
  3. Step 3: Cross multiply
    8,856.24x = 12,222.09 × 5,322.48
  4. Step 4: Simplify right side
    8,856.24x = 65,051,829.58
  5. Step 5: Solve for x
    x = 65,051,829.58/8,856.24
  6. Step 6: Final answer
    x = 7,345.31

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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.