Home / 11,903.90-16,427.42-6,598.80

Finding the Fourth Proportional to 11,903.90, 16,427.42 and 6,598.80

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Solution

The fourth proportional to 11,903.90, 16,427.42 and 6,598.80 is: 9,106.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.90 : 16,427.42 = 6,598.80 : x
  2. Step 2: Convert to fraction form
    11,903.90/16,427.42 = 6,598.80/x
  3. Step 3: Cross multiply
    11,903.90x = 16,427.42 × 6,598.80
  4. Step 4: Simplify right side
    11,903.90x = 108,401,259.10
  5. Step 5: Solve for x
    x = 108,401,259.10/11,903.90
  6. Step 6: Final answer
    x = 9,106.37

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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.