Home / 12,069.92-16,656.48-7,354.19

Finding the Fourth Proportional to 12,069.92, 16,656.48 and 7,354.19

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Solution

The fourth proportional to 12,069.92, 16,656.48 and 7,354.19 is: 10,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.92 : 16,656.48 = 7,354.19 : x
  2. Step 2: Convert to fraction form
    12,069.92/16,656.48 = 7,354.19/x
  3. Step 3: Cross multiply
    12,069.92x = 16,656.48 × 7,354.19
  4. Step 4: Simplify right side
    12,069.92x = 122,494,835.37
  5. Step 5: Solve for x
    x = 122,494,835.37/12,069.92
  6. Step 6: Final answer
    x = 10,148.77

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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.