Home / 13,094.49-18,070.77-7,126.54

Finding the Fourth Proportional to 13,094.49, 18,070.77 and 7,126.54

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Solution

The fourth proportional to 13,094.49, 18,070.77 and 7,126.54 is: 9,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094.49 : 18,070.77 = 7,126.54 : x
  2. Step 2: Convert to fraction form
    13,094.49/18,070.77 = 7,126.54/x
  3. Step 3: Cross multiply
    13,094.49x = 18,070.77 × 7,126.54
  4. Step 4: Simplify right side
    13,094.49x = 128,781,974.88
  5. Step 5: Solve for x
    x = 128,781,974.88/13,094.49
  6. Step 6: Final answer
    x = 9,834.82

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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.