Home / 11,977.34-16,528.73-6,942.51

Finding the Fourth Proportional to 11,977.34, 16,528.73 and 6,942.51

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Solution

The fourth proportional to 11,977.34, 16,528.73 and 6,942.51 is: 9,580.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.34 : 16,528.73 = 6,942.51 : x
  2. Step 2: Convert to fraction form
    11,977.34/16,528.73 = 6,942.51/x
  3. Step 3: Cross multiply
    11,977.34x = 16,528.73 × 6,942.51
  4. Step 4: Simplify right side
    11,977.34x = 114,750,838.60
  5. Step 5: Solve for x
    x = 114,750,838.60/11,977.34
  6. Step 6: Final answer
    x = 9,580.67

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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.