Home / 10,197.09-14,070.33-5,720.22

Finding the Fourth Proportional to 10,197.09, 14,070.33 and 5,720.22

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Solution

The fourth proportional to 10,197.09, 14,070.33 and 5,720.22 is: 7,892.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.09 : 14,070.33 = 5,720.22 : x
  2. Step 2: Convert to fraction form
    10,197.09/14,070.33 = 5,720.22/x
  3. Step 3: Cross multiply
    10,197.09x = 14,070.33 × 5,720.22
  4. Step 4: Simplify right side
    10,197.09x = 80,485,383.07
  5. Step 5: Solve for x
    x = 80,485,383.07/10,197.09
  6. Step 6: Final answer
    x = 7,892.98

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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.