Home / 13,116.06-19,662.33-4,790.22

Finding the Fourth Proportional to 13,116.06, 19,662.33 and 4,790.22

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Solution

The fourth proportional to 13,116.06, 19,662.33 and 4,790.22 is: 7,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.06 : 19,662.33 = 4,790.22 : x
  2. Step 2: Convert to fraction form
    13,116.06/19,662.33 = 4,790.22/x
  3. Step 3: Cross multiply
    13,116.06x = 19,662.33 × 4,790.22
  4. Step 4: Simplify right side
    13,116.06x = 94,186,886.41
  5. Step 5: Solve for x
    x = 94,186,886.41/13,116.06
  6. Step 6: Final answer
    x = 7,181.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.