Home / 10,554.36-15,826.24-3,890.53

Finding the Fourth Proportional to 10,554.36, 15,826.24 and 3,890.53

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Solution

The fourth proportional to 10,554.36, 15,826.24 and 3,890.53 is: 5,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.36 : 15,826.24 = 3,890.53 : x
  2. Step 2: Convert to fraction form
    10,554.36/15,826.24 = 3,890.53/x
  3. Step 3: Cross multiply
    10,554.36x = 15,826.24 × 3,890.53
  4. Step 4: Simplify right side
    10,554.36x = 61,572,461.51
  5. Step 5: Solve for x
    x = 61,572,461.51/10,554.36
  6. Step 6: Final answer
    x = 5,833.84

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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.