Home / 11,108.90-16,636.35-5,903.30

Finding the Fourth Proportional to 11,108.90, 16,636.35 and 5,903.30

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Solution

The fourth proportional to 11,108.90, 16,636.35 and 5,903.30 is: 8,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.90 : 16,636.35 = 5,903.30 : x
  2. Step 2: Convert to fraction form
    11,108.90/16,636.35 = 5,903.30/x
  3. Step 3: Cross multiply
    11,108.90x = 16,636.35 × 5,903.30
  4. Step 4: Simplify right side
    11,108.90x = 98,209,364.96
  5. Step 5: Solve for x
    x = 98,209,364.96/11,108.90
  6. Step 6: Final answer
    x = 8,840.60

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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.