Home / 10,847.40-14,969.34-6,131.67

Finding the Fourth Proportional to 10,847.40, 14,969.34 and 6,131.67

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Solution

The fourth proportional to 10,847.40, 14,969.34 and 6,131.67 is: 8,461.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,847.40 : 14,969.34 = 6,131.67 : x
  2. Step 2: Convert to fraction form
    10,847.40/14,969.34 = 6,131.67/x
  3. Step 3: Cross multiply
    10,847.40x = 14,969.34 × 6,131.67
  4. Step 4: Simplify right side
    10,847.40x = 91,787,053.00
  5. Step 5: Solve for x
    x = 91,787,053.00/10,847.40
  6. Step 6: Final answer
    x = 8,461.66

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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.