Home / 7,812.94-10,779.60-4,668.52

Finding the Fourth Proportional to 7,812.94, 10,779.60 and 4,668.52

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Solution

The fourth proportional to 7,812.94, 10,779.60 and 4,668.52 is: 6,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812.94 : 10,779.60 = 4,668.52 : x
  2. Step 2: Convert to fraction form
    7,812.94/10,779.60 = 4,668.52/x
  3. Step 3: Cross multiply
    7,812.94x = 10,779.60 × 4,668.52
  4. Step 4: Simplify right side
    7,812.94x = 50,324,778.19
  5. Step 5: Solve for x
    x = 50,324,778.19/7,812.94
  6. Step 6: Final answer
    x = 6,441.21

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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.