Home / 8,529.30-11,777.70-5,347.94

Finding the Fourth Proportional to 8,529.30, 11,777.70 and 5,347.94

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Solution

The fourth proportional to 8,529.30, 11,777.70 and 5,347.94 is: 7,384.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.30 : 11,777.70 = 5,347.94 : x
  2. Step 2: Convert to fraction form
    8,529.30/11,777.70 = 5,347.94/x
  3. Step 3: Cross multiply
    8,529.30x = 11,777.70 × 5,347.94
  4. Step 4: Simplify right side
    8,529.30x = 62,986,460.35
  5. Step 5: Solve for x
    x = 62,986,460.35/8,529.30
  6. Step 6: Final answer
    x = 7,384.72

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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.