Home / 11,070.12-16,606.80-4,143

Finding the Fourth Proportional to 11,070.12, 16,606.80 and 4,143

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Solution

The fourth proportional to 11,070.12, 16,606.80 and 4,143 is: 6,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.12 : 16,606.80 = 4,143 : x
  2. Step 2: Convert to fraction form
    11,070.12/16,606.80 = 4,143/x
  3. Step 3: Cross multiply
    11,070.12x = 16,606.80 × 4,143
  4. Step 4: Simplify right side
    11,070.12x = 68,801,972.40
  5. Step 5: Solve for x
    x = 68,801,972.40/11,070.12
  6. Step 6: Final answer
    x = 6,215.11

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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.