Home / 8,430.53-11,634.51-4,846.65

Finding the Fourth Proportional to 8,430.53, 11,634.51 and 4,846.65

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Solution

The fourth proportional to 8,430.53, 11,634.51 and 4,846.65 is: 6,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430.53 : 11,634.51 = 4,846.65 : x
  2. Step 2: Convert to fraction form
    8,430.53/11,634.51 = 4,846.65/x
  3. Step 3: Cross multiply
    8,430.53x = 11,634.51 × 4,846.65
  4. Step 4: Simplify right side
    8,430.53x = 56,388,372.44
  5. Step 5: Solve for x
    x = 56,388,372.44/8,430.53
  6. Step 6: Final answer
    x = 6,688.60

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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.