Home / 9,129.06-13,703.67-6,543.54

Finding the Fourth Proportional to 9,129.06, 13,703.67 and 6,543.54

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Solution

The fourth proportional to 9,129.06, 13,703.67 and 6,543.54 is: 9,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.06 : 13,703.67 = 6,543.54 : x
  2. Step 2: Convert to fraction form
    9,129.06/13,703.67 = 6,543.54/x
  3. Step 3: Cross multiply
    9,129.06x = 13,703.67 × 6,543.54
  4. Step 4: Simplify right side
    9,129.06x = 89,670,512.79
  5. Step 5: Solve for x
    x = 89,670,512.79/9,129.06
  6. Step 6: Final answer
    x = 9,822.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.