Home / 10,828.84-14,935.90-8,282.35

Finding the Fourth Proportional to 10,828.84, 14,935.90 and 8,282.35

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Solution

The fourth proportional to 10,828.84, 14,935.90 and 8,282.35 is: 11,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.84 : 14,935.90 = 8,282.35 : x
  2. Step 2: Convert to fraction form
    10,828.84/14,935.90 = 8,282.35/x
  3. Step 3: Cross multiply
    10,828.84x = 14,935.90 × 8,282.35
  4. Step 4: Simplify right side
    10,828.84x = 123,704,351.37
  5. Step 5: Solve for x
    x = 123,704,351.37/10,828.84
  6. Step 6: Final answer
    x = 11,423.60

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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.