Home / 11,561.12-15,954.44-6,525.40

Finding the Fourth Proportional to 11,561.12, 15,954.44 and 6,525.40

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Solution

The fourth proportional to 11,561.12, 15,954.44 and 6,525.40 is: 9,005.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.12 : 15,954.44 = 6,525.40 : x
  2. Step 2: Convert to fraction form
    11,561.12/15,954.44 = 6,525.40/x
  3. Step 3: Cross multiply
    11,561.12x = 15,954.44 × 6,525.40
  4. Step 4: Simplify right side
    11,561.12x = 104,109,102.78
  5. Step 5: Solve for x
    x = 104,109,102.78/11,561.12
  6. Step 6: Final answer
    x = 9,005.11

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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.