Home / 10,810.12-16,207.27-7,291.37

Finding the Fourth Proportional to 10,810.12, 16,207.27 and 7,291.37

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Solution

The fourth proportional to 10,810.12, 16,207.27 and 7,291.37 is: 10,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,810.12 : 16,207.27 = 7,291.37 : x
  2. Step 2: Convert to fraction form
    10,810.12/16,207.27 = 7,291.37/x
  3. Step 3: Cross multiply
    10,810.12x = 16,207.27 × 7,291.37
  4. Step 4: Simplify right side
    10,810.12x = 118,173,202.26
  5. Step 5: Solve for x
    x = 118,173,202.26/10,810.12
  6. Step 6: Final answer
    x = 10,931.72

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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.