Home / 12,354.34-18,525.90-5,331.04

Finding the Fourth Proportional to 12,354.34, 18,525.90 and 5,331.04

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Solution

The fourth proportional to 12,354.34, 18,525.90 and 5,331.04 is: 7,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354.34 : 18,525.90 = 5,331.04 : x
  2. Step 2: Convert to fraction form
    12,354.34/18,525.90 = 5,331.04/x
  3. Step 3: Cross multiply
    12,354.34x = 18,525.90 × 5,331.04
  4. Step 4: Simplify right side
    12,354.34x = 98,762,313.94
  5. Step 5: Solve for x
    x = 98,762,313.94/12,354.34
  6. Step 6: Final answer
    x = 7,994.14

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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.