Home / 10,385.30-14,331.17-5,668.67

Finding the Fourth Proportional to 10,385.30, 14,331.17 and 5,668.67

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Solution

The fourth proportional to 10,385.30, 14,331.17 and 5,668.67 is: 7,822.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.30 : 14,331.17 = 5,668.67 : x
  2. Step 2: Convert to fraction form
    10,385.30/14,331.17 = 5,668.67/x
  3. Step 3: Cross multiply
    10,385.30x = 14,331.17 × 5,668.67
  4. Step 4: Simplify right side
    10,385.30x = 81,238,573.44
  5. Step 5: Solve for x
    x = 81,238,573.44/10,385.30
  6. Step 6: Final answer
    x = 7,822.46

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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.