Home / 10,216.34-14,106.43-8,235.74

Finding the Fourth Proportional to 10,216.34, 14,106.43 and 8,235.74

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Solution

The fourth proportional to 10,216.34, 14,106.43 and 8,235.74 is: 11,371.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,216.34 : 14,106.43 = 8,235.74 : x
  2. Step 2: Convert to fraction form
    10,216.34/14,106.43 = 8,235.74/x
  3. Step 3: Cross multiply
    10,216.34x = 14,106.43 × 8,235.74
  4. Step 4: Simplify right side
    10,216.34x = 116,176,912.21
  5. Step 5: Solve for x
    x = 116,176,912.21/10,216.34
  6. Step 6: Final answer
    x = 11,371.67

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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.