Home / 6,606.90-9,911.43-2,223.36

Finding the Fourth Proportional to 6,606.90, 9,911.43 and 2,223.36

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Solution

The fourth proportional to 6,606.90, 9,911.43 and 2,223.36 is: 3,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.90 : 9,911.43 = 2,223.36 : x
  2. Step 2: Convert to fraction form
    6,606.90/9,911.43 = 2,223.36/x
  3. Step 3: Cross multiply
    6,606.90x = 9,911.43 × 2,223.36
  4. Step 4: Simplify right side
    6,606.90x = 22,036,677.00
  5. Step 5: Solve for x
    x = 22,036,677.00/6,606.90
  6. Step 6: Final answer
    x = 3,335.40

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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.