Home / 9,129.03-12,597.48-5,150.49

Finding the Fourth Proportional to 9,129.03, 12,597.48 and 5,150.49

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Solution

The fourth proportional to 9,129.03, 12,597.48 and 5,150.49 is: 7,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.03 : 12,597.48 = 5,150.49 : x
  2. Step 2: Convert to fraction form
    9,129.03/12,597.48 = 5,150.49/x
  3. Step 3: Cross multiply
    9,129.03x = 12,597.48 × 5,150.49
  4. Step 4: Simplify right side
    9,129.03x = 64,883,194.77
  5. Step 5: Solve for x
    x = 64,883,194.77/9,129.03
  6. Step 6: Final answer
    x = 7,107.35

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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.