Home / 10,509.51-15,736.44-6,343.95

Finding the Fourth Proportional to 10,509.51, 15,736.44 and 6,343.95

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Solution

The fourth proportional to 10,509.51, 15,736.44 and 6,343.95 is: 9,499.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.51 : 15,736.44 = 6,343.95 : x
  2. Step 2: Convert to fraction form
    10,509.51/15,736.44 = 6,343.95/x
  3. Step 3: Cross multiply
    10,509.51x = 15,736.44 × 6,343.95
  4. Step 4: Simplify right side
    10,509.51x = 99,831,188.54
  5. Step 5: Solve for x
    x = 99,831,188.54/10,509.51
  6. Step 6: Final answer
    x = 9,499.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.