Home / 11,813.06-16,301.29-6,507.58

Finding the Fourth Proportional to 11,813.06, 16,301.29 and 6,507.58

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Solution

The fourth proportional to 11,813.06, 16,301.29 and 6,507.58 is: 8,980.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.06 : 16,301.29 = 6,507.58 : x
  2. Step 2: Convert to fraction form
    11,813.06/16,301.29 = 6,507.58/x
  3. Step 3: Cross multiply
    11,813.06x = 16,301.29 × 6,507.58
  4. Step 4: Simplify right side
    11,813.06x = 106,081,948.78
  5. Step 5: Solve for x
    x = 106,081,948.78/11,813.06
  6. Step 6: Final answer
    x = 8,980.06

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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.