Home / 8,173.49-12,248.53-4,656.23

Finding the Fourth Proportional to 8,173.49, 12,248.53 and 4,656.23

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Solution

The fourth proportional to 8,173.49, 12,248.53 and 4,656.23 is: 6,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.49 : 12,248.53 = 4,656.23 : x
  2. Step 2: Convert to fraction form
    8,173.49/12,248.53 = 4,656.23/x
  3. Step 3: Cross multiply
    8,173.49x = 12,248.53 × 4,656.23
  4. Step 4: Simplify right side
    8,173.49x = 57,031,972.84
  5. Step 5: Solve for x
    x = 57,031,972.84/8,173.49
  6. Step 6: Final answer
    x = 6,977.68

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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.