Home / 12,316.23-18,481.64-4,530.51

Finding the Fourth Proportional to 12,316.23, 18,481.64 and 4,530.51

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Solution

The fourth proportional to 12,316.23, 18,481.64 and 4,530.51 is: 6,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.23 : 18,481.64 = 4,530.51 : x
  2. Step 2: Convert to fraction form
    12,316.23/18,481.64 = 4,530.51/x
  3. Step 3: Cross multiply
    12,316.23x = 18,481.64 × 4,530.51
  4. Step 4: Simplify right side
    12,316.23x = 83,731,232.18
  5. Step 5: Solve for x
    x = 83,731,232.18/12,316.23
  6. Step 6: Final answer
    x = 6,798.45

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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.