Home / 12,048.36-18,068.06-4,148.67

Finding the Fourth Proportional to 12,048.36, 18,068.06 and 4,148.67

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Solution

The fourth proportional to 12,048.36, 18,068.06 and 4,148.67 is: 6,221.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048.36 : 18,068.06 = 4,148.67 : x
  2. Step 2: Convert to fraction form
    12,048.36/18,068.06 = 4,148.67/x
  3. Step 3: Cross multiply
    12,048.36x = 18,068.06 × 4,148.67
  4. Step 4: Simplify right side
    12,048.36x = 74,958,397.74
  5. Step 5: Solve for x
    x = 74,958,397.74/12,048.36
  6. Step 6: Final answer
    x = 6,221.46

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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.