Home / 11,051.63-15,257.04-8,528.28

Finding the Fourth Proportional to 11,051.63, 15,257.04 and 8,528.28

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Solution

The fourth proportional to 11,051.63, 15,257.04 and 8,528.28 is: 11,773.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,051.63 : 15,257.04 = 8,528.28 : x
  2. Step 2: Convert to fraction form
    11,051.63/15,257.04 = 8,528.28/x
  3. Step 3: Cross multiply
    11,051.63x = 15,257.04 × 8,528.28
  4. Step 4: Simplify right side
    11,051.63x = 130,116,309.09
  5. Step 5: Solve for x
    x = 130,116,309.09/11,051.63
  6. Step 6: Final answer
    x = 11,773.49

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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.