Home / 8,429.86-11,632.59-4,653.03

Finding the Fourth Proportional to 8,429.86, 11,632.59 and 4,653.03

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Solution

The fourth proportional to 8,429.86, 11,632.59 and 4,653.03 is: 6,420.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.86 : 11,632.59 = 4,653.03 : x
  2. Step 2: Convert to fraction form
    8,429.86/11,632.59 = 4,653.03/x
  3. Step 3: Cross multiply
    8,429.86x = 11,632.59 × 4,653.03
  4. Step 4: Simplify right side
    8,429.86x = 54,126,790.25
  5. Step 5: Solve for x
    x = 54,126,790.25/8,429.86
  6. Step 6: Final answer
    x = 6,420.84

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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.