Home / 7,625.48-11,421.20-6,459.08

Finding the Fourth Proportional to 7,625.48, 11,421.20 and 6,459.08

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Solution

The fourth proportional to 7,625.48, 11,421.20 and 6,459.08 is: 9,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.48 : 11,421.20 = 6,459.08 : x
  2. Step 2: Convert to fraction form
    7,625.48/11,421.20 = 6,459.08/x
  3. Step 3: Cross multiply
    7,625.48x = 11,421.20 × 6,459.08
  4. Step 4: Simplify right side
    7,625.48x = 73,770,403.54
  5. Step 5: Solve for x
    x = 73,770,403.54/7,625.48
  6. Step 6: Final answer
    x = 9,674.20

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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.