Home / 7,410.08-11,109.35-5,031.89

Finding the Fourth Proportional to 7,410.08, 11,109.35 and 5,031.89

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Solution

The fourth proportional to 7,410.08, 11,109.35 and 5,031.89 is: 7,543.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.08 : 11,109.35 = 5,031.89 : x
  2. Step 2: Convert to fraction form
    7,410.08/11,109.35 = 5,031.89/x
  3. Step 3: Cross multiply
    7,410.08x = 11,109.35 × 5,031.89
  4. Step 4: Simplify right side
    7,410.08x = 55,901,029.79
  5. Step 5: Solve for x
    x = 55,901,029.79/7,410.08
  6. Step 6: Final answer
    x = 7,543.91

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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.