Home / 12,113.62-16,713.21-7,076.50

Finding the Fourth Proportional to 12,113.62, 16,713.21 and 7,076.50

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Solution

The fourth proportional to 12,113.62, 16,713.21 and 7,076.50 is: 9,763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.62 : 16,713.21 = 7,076.50 : x
  2. Step 2: Convert to fraction form
    12,113.62/16,713.21 = 7,076.50/x
  3. Step 3: Cross multiply
    12,113.62x = 16,713.21 × 7,076.50
  4. Step 4: Simplify right side
    12,113.62x = 118,271,030.57
  5. Step 5: Solve for x
    x = 118,271,030.57/12,113.62
  6. Step 6: Final answer
    x = 9,763.48

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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.