Home / 10,451.18-14,428.22-8,055.90

Finding the Fourth Proportional to 10,451.18, 14,428.22 and 8,055.90

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Solution

The fourth proportional to 10,451.18, 14,428.22 and 8,055.90 is: 11,121.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.18 : 14,428.22 = 8,055.90 : x
  2. Step 2: Convert to fraction form
    10,451.18/14,428.22 = 8,055.90/x
  3. Step 3: Cross multiply
    10,451.18x = 14,428.22 × 8,055.90
  4. Step 4: Simplify right side
    10,451.18x = 116,232,313.43
  5. Step 5: Solve for x
    x = 116,232,313.43/10,451.18
  6. Step 6: Final answer
    x = 11,121.46

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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.