Home / 9,709.20-14,564.30-2,783.52

Finding the Fourth Proportional to 9,709.20, 14,564.30 and 2,783.52

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Solution

The fourth proportional to 9,709.20, 14,564.30 and 2,783.52 is: 4,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709.20 : 14,564.30 = 2,783.52 : x
  2. Step 2: Convert to fraction form
    9,709.20/14,564.30 = 2,783.52/x
  3. Step 3: Cross multiply
    9,709.20x = 14,564.30 × 2,783.52
  4. Step 4: Simplify right side
    9,709.20x = 40,540,020.34
  5. Step 5: Solve for x
    x = 40,540,020.34/9,709.20
  6. Step 6: Final answer
    x = 4,175.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.