Home / 11,561.51-15,954.89-6,256.32

Finding the Fourth Proportional to 11,561.51, 15,954.89 and 6,256.32

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Solution

The fourth proportional to 11,561.51, 15,954.89 and 6,256.32 is: 8,633.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.51 : 15,954.89 = 6,256.32 : x
  2. Step 2: Convert to fraction form
    11,561.51/15,954.89 = 6,256.32/x
  3. Step 3: Cross multiply
    11,561.51x = 15,954.89 × 6,256.32
  4. Step 4: Simplify right side
    11,561.51x = 99,818,866.12
  5. Step 5: Solve for x
    x = 99,818,866.12/11,561.51
  6. Step 6: Final answer
    x = 8,633.73

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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.