Home / 10,873.51-16,312.69-3,478.41

Finding the Fourth Proportional to 10,873.51, 16,312.69 and 3,478.41

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Solution

The fourth proportional to 10,873.51, 16,312.69 and 3,478.41 is: 5,218.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873.51 : 16,312.69 = 3,478.41 : x
  2. Step 2: Convert to fraction form
    10,873.51/16,312.69 = 3,478.41/x
  3. Step 3: Cross multiply
    10,873.51x = 16,312.69 × 3,478.41
  4. Step 4: Simplify right side
    10,873.51x = 56,742,228.37
  5. Step 5: Solve for x
    x = 56,742,228.37/10,873.51
  6. Step 6: Final answer
    x = 5,218.39

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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.