Home / 10,157.70-14,023.68-6,384.06

Finding the Fourth Proportional to 10,157.70, 14,023.68 and 6,384.06

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Solution

The fourth proportional to 10,157.70, 14,023.68 and 6,384.06 is: 8,813.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.70 : 14,023.68 = 6,384.06 : x
  2. Step 2: Convert to fraction form
    10,157.70/14,023.68 = 6,384.06/x
  3. Step 3: Cross multiply
    10,157.70x = 14,023.68 × 6,384.06
  4. Step 4: Simplify right side
    10,157.70x = 89,528,014.54
  5. Step 5: Solve for x
    x = 89,528,014.54/10,157.70
  6. Step 6: Final answer
    x = 8,813.81

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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.