Home / 12,300.95-16,976.75-6,996.56

Finding the Fourth Proportional to 12,300.95, 16,976.75 and 6,996.56

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Solution

The fourth proportional to 12,300.95, 16,976.75 and 6,996.56 is: 9,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300.95 : 16,976.75 = 6,996.56 : x
  2. Step 2: Convert to fraction form
    12,300.95/16,976.75 = 6,996.56/x
  3. Step 3: Cross multiply
    12,300.95x = 16,976.75 × 6,996.56
  4. Step 4: Simplify right side
    12,300.95x = 118,778,730.11
  5. Step 5: Solve for x
    x = 118,778,730.11/12,300.95
  6. Step 6: Final answer
    x = 9,656.06

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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.