Home / 7,720.61-11,596.44-4,606.70

Finding the Fourth Proportional to 7,720.61, 11,596.44 and 4,606.70

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Solution

The fourth proportional to 7,720.61, 11,596.44 and 4,606.70 is: 6,919.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.61 : 11,596.44 = 4,606.70 : x
  2. Step 2: Convert to fraction form
    7,720.61/11,596.44 = 4,606.70/x
  3. Step 3: Cross multiply
    7,720.61x = 11,596.44 × 4,606.70
  4. Step 4: Simplify right side
    7,720.61x = 53,421,320.15
  5. Step 5: Solve for x
    x = 53,421,320.15/7,720.61
  6. Step 6: Final answer
    x = 6,919.31

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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.