Home / 8,406.46-11,601.30-4,629.70

Finding the Fourth Proportional to 8,406.46, 11,601.30 and 4,629.70

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Solution

The fourth proportional to 8,406.46, 11,601.30 and 4,629.70 is: 6,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,406.46 : 11,601.30 = 4,629.70 : x
  2. Step 2: Convert to fraction form
    8,406.46/11,601.30 = 4,629.70/x
  3. Step 3: Cross multiply
    8,406.46x = 11,601.30 × 4,629.70
  4. Step 4: Simplify right side
    8,406.46x = 53,710,538.61
  5. Step 5: Solve for x
    x = 53,710,538.61/8,406.46
  6. Step 6: Final answer
    x = 6,389.20

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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.