Home / 12,285.84-16,953.68-7,250.28

Finding the Fourth Proportional to 12,285.84, 16,953.68 and 7,250.28

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Solution

The fourth proportional to 12,285.84, 16,953.68 and 7,250.28 is: 10,004.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285.84 : 16,953.68 = 7,250.28 : x
  2. Step 2: Convert to fraction form
    12,285.84/16,953.68 = 7,250.28/x
  3. Step 3: Cross multiply
    12,285.84x = 16,953.68 × 7,250.28
  4. Step 4: Simplify right side
    12,285.84x = 122,918,927.03
  5. Step 5: Solve for x
    x = 122,918,927.03/12,285.84
  6. Step 6: Final answer
    x = 10,004.93

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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.