Home / 9,780.12-14,670.39-2,384.63

Finding the Fourth Proportional to 9,780.12, 14,670.39 and 2,384.63

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Solution

The fourth proportional to 9,780.12, 14,670.39 and 2,384.63 is: 3,576.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.12 : 14,670.39 = 2,384.63 : x
  2. Step 2: Convert to fraction form
    9,780.12/14,670.39 = 2,384.63/x
  3. Step 3: Cross multiply
    9,780.12x = 14,670.39 × 2,384.63
  4. Step 4: Simplify right side
    9,780.12x = 34,983,378.75
  5. Step 5: Solve for x
    x = 34,983,378.75/9,780.12
  6. Step 6: Final answer
    x = 3,576.99

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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.