Home / 11,675.03-16,112.90-6,501.42

Finding the Fourth Proportional to 11,675.03, 16,112.90 and 6,501.42

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Solution

The fourth proportional to 11,675.03, 16,112.90 and 6,501.42 is: 8,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.03 : 16,112.90 = 6,501.42 : x
  2. Step 2: Convert to fraction form
    11,675.03/16,112.90 = 6,501.42/x
  3. Step 3: Cross multiply
    11,675.03x = 16,112.90 × 6,501.42
  4. Step 4: Simplify right side
    11,675.03x = 104,756,730.32
  5. Step 5: Solve for x
    x = 104,756,730.32/11,675.03
  6. Step 6: Final answer
    x = 8,972.72

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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.