Home / 11,970.89-16,518.77-6,933.50

Finding the Fourth Proportional to 11,970.89, 16,518.77 and 6,933.50

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Solution

The fourth proportional to 11,970.89, 16,518.77 and 6,933.50 is: 9,567.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.89 : 16,518.77 = 6,933.50 : x
  2. Step 2: Convert to fraction form
    11,970.89/16,518.77 = 6,933.50/x
  3. Step 3: Cross multiply
    11,970.89x = 16,518.77 × 6,933.50
  4. Step 4: Simplify right side
    11,970.89x = 114,532,994.40
  5. Step 5: Solve for x
    x = 114,532,994.40/11,970.89
  6. Step 6: Final answer
    x = 9,567.62

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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.