Home / 11,986.30-16,541.16-6,953.51

Finding the Fourth Proportional to 11,986.30, 16,541.16 and 6,953.51

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Solution

The fourth proportional to 11,986.30, 16,541.16 and 6,953.51 is: 9,595.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.30 : 16,541.16 = 6,953.51 : x
  2. Step 2: Convert to fraction form
    11,986.30/16,541.16 = 6,953.51/x
  3. Step 3: Cross multiply
    11,986.30x = 16,541.16 × 6,953.51
  4. Step 4: Simplify right side
    11,986.30x = 115,019,162.82
  5. Step 5: Solve for x
    x = 115,019,162.82/11,986.30
  6. Step 6: Final answer
    x = 9,595.89

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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.