Home / 10,638.03-14,683.07-6,161.06

Finding the Fourth Proportional to 10,638.03, 14,683.07 and 6,161.06

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Solution

The fourth proportional to 10,638.03, 14,683.07 and 6,161.06 is: 8,503.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.03 : 14,683.07 = 6,161.06 : x
  2. Step 2: Convert to fraction form
    10,638.03/14,683.07 = 6,161.06/x
  3. Step 3: Cross multiply
    10,638.03x = 14,683.07 × 6,161.06
  4. Step 4: Simplify right side
    10,638.03x = 90,463,327.36
  5. Step 5: Solve for x
    x = 90,463,327.36/10,638.03
  6. Step 6: Final answer
    x = 8,503.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.