Home / 11,309.51-15,606.74-6,832.47

Finding the Fourth Proportional to 11,309.51, 15,606.74 and 6,832.47

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Solution

The fourth proportional to 11,309.51, 15,606.74 and 6,832.47 is: 9,428.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.51 : 15,606.74 = 6,832.47 : x
  2. Step 2: Convert to fraction form
    11,309.51/15,606.74 = 6,832.47/x
  3. Step 3: Cross multiply
    11,309.51x = 15,606.74 × 6,832.47
  4. Step 4: Simplify right side
    11,309.51x = 106,632,570.67
  5. Step 5: Solve for x
    x = 106,632,570.67/11,309.51
  6. Step 6: Final answer
    x = 9,428.58

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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.