Home / 11,090.66-16,638.98-4,851.23

Finding the Fourth Proportional to 11,090.66, 16,638.98 and 4,851.23

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Solution

The fourth proportional to 11,090.66, 16,638.98 and 4,851.23 is: 7,278.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.66 : 16,638.98 = 4,851.23 : x
  2. Step 2: Convert to fraction form
    11,090.66/16,638.98 = 4,851.23/x
  3. Step 3: Cross multiply
    11,090.66x = 16,638.98 × 4,851.23
  4. Step 4: Simplify right side
    11,090.66x = 80,719,411.49
  5. Step 5: Solve for x
    x = 80,719,411.49/11,090.66
  6. Step 6: Final answer
    x = 7,278.15

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1.5x scale

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.