Home / 10,359.51-15,541.28-4,118.36

Finding the Fourth Proportional to 10,359.51, 15,541.28 and 4,118.36

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Solution

The fourth proportional to 10,359.51, 15,541.28 and 4,118.36 is: 6,178.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.51 : 15,541.28 = 4,118.36 : x
  2. Step 2: Convert to fraction form
    10,359.51/15,541.28 = 4,118.36/x
  3. Step 3: Cross multiply
    10,359.51x = 15,541.28 × 4,118.36
  4. Step 4: Simplify right side
    10,359.51x = 64,004,487.60
  5. Step 5: Solve for x
    x = 64,004,487.60/10,359.51
  6. Step 6: Final answer
    x = 6,178.33

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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.