Home / 12,133.98-16,744.93-6,828.89

Finding the Fourth Proportional to 12,133.98, 16,744.93 and 6,828.89

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Solution

The fourth proportional to 12,133.98, 16,744.93 and 6,828.89 is: 9,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.98 : 16,744.93 = 6,828.89 : x
  2. Step 2: Convert to fraction form
    12,133.98/16,744.93 = 6,828.89/x
  3. Step 3: Cross multiply
    12,133.98x = 16,744.93 × 6,828.89
  4. Step 4: Simplify right side
    12,133.98x = 114,349,184.23
  5. Step 5: Solve for x
    x = 114,349,184.23/12,133.98
  6. Step 6: Final answer
    x = 9,423.88

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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.