Home / 12,242.88-16,899.01-6,941.22

Finding the Fourth Proportional to 12,242.88, 16,899.01 and 6,941.22

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Solution

The fourth proportional to 12,242.88, 16,899.01 and 6,941.22 is: 9,581.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.88 : 16,899.01 = 6,941.22 : x
  2. Step 2: Convert to fraction form
    12,242.88/16,899.01 = 6,941.22/x
  3. Step 3: Cross multiply
    12,242.88x = 16,899.01 × 6,941.22
  4. Step 4: Simplify right side
    12,242.88x = 117,299,746.19
  5. Step 5: Solve for x
    x = 117,299,746.19/12,242.88
  6. Step 6: Final answer
    x = 9,581.06

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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.