Home / 13,079.06-18,041.29-8,363.24

Finding the Fourth Proportional to 13,079.06, 18,041.29 and 8,363.24

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Solution

The fourth proportional to 13,079.06, 18,041.29 and 8,363.24 is: 11,536.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.06 : 18,041.29 = 8,363.24 : x
  2. Step 2: Convert to fraction form
    13,079.06/18,041.29 = 8,363.24/x
  3. Step 3: Cross multiply
    13,079.06x = 18,041.29 × 8,363.24
  4. Step 4: Simplify right side
    13,079.06x = 150,883,638.18
  5. Step 5: Solve for x
    x = 150,883,638.18/13,079.06
  6. Step 6: Final answer
    x = 11,536.28

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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.