Home / 12,079.32-18,124.20-6,536.57

Finding the Fourth Proportional to 12,079.32, 18,124.20 and 6,536.57

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Solution

The fourth proportional to 12,079.32, 18,124.20 and 6,536.57 is: 9,807.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.32 : 18,124.20 = 6,536.57 : x
  2. Step 2: Convert to fraction form
    12,079.32/18,124.20 = 6,536.57/x
  3. Step 3: Cross multiply
    12,079.32x = 18,124.20 × 6,536.57
  4. Step 4: Simplify right side
    12,079.32x = 118,470,011.37
  5. Step 5: Solve for x
    x = 118,470,011.37/12,079.32
  6. Step 6: Final answer
    x = 9,807.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.