Home / 12,070.86-18,106.26-3,306.45

Finding the Fourth Proportional to 12,070.86, 18,106.26 and 3,306.45

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Solution

The fourth proportional to 12,070.86, 18,106.26 and 3,306.45 is: 4,959.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.86 : 18,106.26 = 3,306.45 : x
  2. Step 2: Convert to fraction form
    12,070.86/18,106.26 = 3,306.45/x
  3. Step 3: Cross multiply
    12,070.86x = 18,106.26 × 3,306.45
  4. Step 4: Simplify right side
    12,070.86x = 59,867,443.38
  5. Step 5: Solve for x
    x = 59,867,443.38/12,070.86
  6. Step 6: Final answer
    x = 4,959.67

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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.