Home / 9,329.85-12,875.09-5,080.86

Finding the Fourth Proportional to 9,329.85, 12,875.09 and 5,080.86

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Solution

The fourth proportional to 9,329.85, 12,875.09 and 5,080.86 is: 7,011.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.85 : 12,875.09 = 5,080.86 : x
  2. Step 2: Convert to fraction form
    9,329.85/12,875.09 = 5,080.86/x
  3. Step 3: Cross multiply
    9,329.85x = 12,875.09 × 5,080.86
  4. Step 4: Simplify right side
    9,329.85x = 65,416,504.37
  5. Step 5: Solve for x
    x = 65,416,504.37/9,329.85
  6. Step 6: Final answer
    x = 7,011.53

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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.