Home / 9,790.56-14,685.84-3,214.98

Finding the Fourth Proportional to 9,790.56, 14,685.84 and 3,214.98

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Solution

The fourth proportional to 9,790.56, 14,685.84 and 3,214.98 is: 4,822.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.56 : 14,685.84 = 3,214.98 : x
  2. Step 2: Convert to fraction form
    9,790.56/14,685.84 = 3,214.98/x
  3. Step 3: Cross multiply
    9,790.56x = 14,685.84 × 3,214.98
  4. Step 4: Simplify right side
    9,790.56x = 47,214,681.88
  5. Step 5: Solve for x
    x = 47,214,681.88/9,790.56
  6. Step 6: Final answer
    x = 4,822.47

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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.