Home / 6,109.58-8,438.12-4,116.67

Finding the Fourth Proportional to 6,109.58, 8,438.12 and 4,116.67

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Solution

The fourth proportional to 6,109.58, 8,438.12 and 4,116.67 is: 5,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.58 : 8,438.12 = 4,116.67 : x
  2. Step 2: Convert to fraction form
    6,109.58/8,438.12 = 4,116.67/x
  3. Step 3: Cross multiply
    6,109.58x = 8,438.12 × 4,116.67
  4. Step 4: Simplify right side
    6,109.58x = 34,736,955.46
  5. Step 5: Solve for x
    x = 34,736,955.46/6,109.58
  6. Step 6: Final answer
    x = 5,685.65

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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.