Home / 12,252.84-18,372.54-5,675.40

Finding the Fourth Proportional to 12,252.84, 18,372.54 and 5,675.40

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Solution

The fourth proportional to 12,252.84, 18,372.54 and 5,675.40 is: 8,509.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.84 : 18,372.54 = 5,675.40 : x
  2. Step 2: Convert to fraction form
    12,252.84/18,372.54 = 5,675.40/x
  3. Step 3: Cross multiply
    12,252.84x = 18,372.54 × 5,675.40
  4. Step 4: Simplify right side
    12,252.84x = 104,271,513.52
  5. Step 5: Solve for x
    x = 104,271,513.52/12,252.84
  6. Step 6: Final answer
    x = 8,509.99

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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.