Home / 12,316.91-18,477.19-4,525.12

Finding the Fourth Proportional to 12,316.91, 18,477.19 and 4,525.12

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Solution

The fourth proportional to 12,316.91, 18,477.19 and 4,525.12 is: 6,788.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.91 : 18,477.19 = 4,525.12 : x
  2. Step 2: Convert to fraction form
    12,316.91/18,477.19 = 4,525.12/x
  3. Step 3: Cross multiply
    12,316.91x = 18,477.19 × 4,525.12
  4. Step 4: Simplify right side
    12,316.91x = 83,611,409.63
  5. Step 5: Solve for x
    x = 83,611,409.63/12,316.91
  6. Step 6: Final answer
    x = 6,788.34

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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.