Home / 11,196.08-15,448.96-6,718.88

Finding the Fourth Proportional to 11,196.08, 15,448.96 and 6,718.88

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Solution

The fourth proportional to 11,196.08, 15,448.96 and 6,718.88 is: 9,271.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,196.08 : 15,448.96 = 6,718.88 : x
  2. Step 2: Convert to fraction form
    11,196.08/15,448.96 = 6,718.88/x
  3. Step 3: Cross multiply
    11,196.08x = 15,448.96 × 6,718.88
  4. Step 4: Simplify right side
    11,196.08x = 103,799,708.36
  5. Step 5: Solve for x
    x = 103,799,708.36/11,196.08
  6. Step 6: Final answer
    x = 9,271.08

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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.