Home / 7,421.52-11,091.26-5,953.80

Finding the Fourth Proportional to 7,421.52, 11,091.26 and 5,953.80

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Solution

The fourth proportional to 7,421.52, 11,091.26 and 5,953.80 is: 8,897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.52 : 11,091.26 = 5,953.80 : x
  2. Step 2: Convert to fraction form
    7,421.52/11,091.26 = 5,953.80/x
  3. Step 3: Cross multiply
    7,421.52x = 11,091.26 × 5,953.80
  4. Step 4: Simplify right side
    7,421.52x = 66,035,143.79
  5. Step 5: Solve for x
    x = 66,035,143.79/7,421.52
  6. Step 6: Final answer
    x = 8,897.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.