Home / 8,406.81-11,601.48-4,630.07

Finding the Fourth Proportional to 8,406.81, 11,601.48 and 4,630.07

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Solution

The fourth proportional to 8,406.81, 11,601.48 and 4,630.07 is: 6,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,406.81 : 11,601.48 = 4,630.07 : x
  2. Step 2: Convert to fraction form
    8,406.81/11,601.48 = 4,630.07/x
  3. Step 3: Cross multiply
    8,406.81x = 11,601.48 × 4,630.07
  4. Step 4: Simplify right side
    8,406.81x = 53,715,623.86
  5. Step 5: Solve for x
    x = 53,715,623.86/8,406.81
  6. Step 6: Final answer
    x = 6,389.53

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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.