Home / 10,221.56-14,106.26-6,242.03

Finding the Fourth Proportional to 10,221.56, 14,106.26 and 6,242.03

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Solution

The fourth proportional to 10,221.56, 14,106.26 and 6,242.03 is: 8,614.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.56 : 14,106.26 = 6,242.03 : x
  2. Step 2: Convert to fraction form
    10,221.56/14,106.26 = 6,242.03/x
  3. Step 3: Cross multiply
    10,221.56x = 14,106.26 × 6,242.03
  4. Step 4: Simplify right side
    10,221.56x = 88,051,698.11
  5. Step 5: Solve for x
    x = 88,051,698.11/10,221.56
  6. Step 6: Final answer
    x = 8,614.31

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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.