Home / 10,570.22-14,557.48-8,171.36

Finding the Fourth Proportional to 10,570.22, 14,557.48 and 8,171.36

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Solution

The fourth proportional to 10,570.22, 14,557.48 and 8,171.36 is: 11,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,570.22 : 14,557.48 = 8,171.36 : x
  2. Step 2: Convert to fraction form
    10,570.22/14,557.48 = 8,171.36/x
  3. Step 3: Cross multiply
    10,570.22x = 14,557.48 × 8,171.36
  4. Step 4: Simplify right side
    10,570.22x = 118,954,409.77
  5. Step 5: Solve for x
    x = 118,954,409.77/10,570.22
  6. Step 6: Final answer
    x = 11,253.73

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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.