Home / 8,430.48-11,634.69-4,653.96

Finding the Fourth Proportional to 8,430.48, 11,634.69 and 4,653.96

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Solution

The fourth proportional to 8,430.48, 11,634.69 and 4,653.96 is: 6,422.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430.48 : 11,634.69 = 4,653.96 : x
  2. Step 2: Convert to fraction form
    8,430.48/11,634.69 = 4,653.96/x
  3. Step 3: Cross multiply
    8,430.48x = 11,634.69 × 4,653.96
  4. Step 4: Simplify right side
    8,430.48x = 54,147,381.87
  5. Step 5: Solve for x
    x = 54,147,381.87/8,430.48
  6. Step 6: Final answer
    x = 6,422.81

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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.