Home / 9,147.58-12,623.70-4,955.83

Finding the Fourth Proportional to 9,147.58, 12,623.70 and 4,955.83

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Solution

The fourth proportional to 9,147.58, 12,623.70 and 4,955.83 is: 6,839.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.58 : 12,623.70 = 4,955.83 : x
  2. Step 2: Convert to fraction form
    9,147.58/12,623.70 = 4,955.83/x
  3. Step 3: Cross multiply
    9,147.58x = 12,623.70 × 4,955.83
  4. Step 4: Simplify right side
    9,147.58x = 62,560,941.33
  5. Step 5: Solve for x
    x = 62,560,941.33/9,147.58
  6. Step 6: Final answer
    x = 6,839.07

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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.