Home / 12,528.85-17,289.23-7,495.84

Finding the Fourth Proportional to 12,528.85, 17,289.23 and 7,495.84

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Solution

The fourth proportional to 12,528.85, 17,289.23 and 7,495.84 is: 10,343.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.85 : 17,289.23 = 7,495.84 : x
  2. Step 2: Convert to fraction form
    12,528.85/17,289.23 = 7,495.84/x
  3. Step 3: Cross multiply
    12,528.85x = 17,289.23 × 7,495.84
  4. Step 4: Simplify right side
    12,528.85x = 129,597,359.72
  5. Step 5: Solve for x
    x = 129,597,359.72/12,528.85
  6. Step 6: Final answer
    x = 10,343.91

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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.