Home / 9,780.37-14,674.67-4,230.88

Finding the Fourth Proportional to 9,780.37, 14,674.67 and 4,230.88

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Solution

The fourth proportional to 9,780.37, 14,674.67 and 4,230.88 is: 6,348.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.37 : 14,674.67 = 4,230.88 : x
  2. Step 2: Convert to fraction form
    9,780.37/14,674.67 = 4,230.88/x
  3. Step 3: Cross multiply
    9,780.37x = 14,674.67 × 4,230.88
  4. Step 4: Simplify right side
    9,780.37x = 62,086,767.81
  5. Step 5: Solve for x
    x = 62,086,767.81/9,780.37
  6. Step 6: Final answer
    x = 6,348.10

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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.