Home / 9,779.49-14,667.75-3,205.53

Finding the Fourth Proportional to 9,779.49, 14,667.75 and 3,205.53

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Solution

The fourth proportional to 9,779.49, 14,667.75 and 3,205.53 is: 4,807.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779.49 : 14,667.75 = 3,205.53 : x
  2. Step 2: Convert to fraction form
    9,779.49/14,667.75 = 3,205.53/x
  3. Step 3: Cross multiply
    9,779.49x = 14,667.75 × 3,205.53
  4. Step 4: Simplify right side
    9,779.49x = 47,017,912.66
  5. Step 5: Solve for x
    x = 47,017,912.66/9,779.49
  6. Step 6: Final answer
    x = 4,807.81

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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.