Home / 9,127.90-12,596.47-4,936.15

Finding the Fourth Proportional to 9,127.90, 12,596.47 and 4,936.15

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Solution

The fourth proportional to 9,127.90, 12,596.47 and 4,936.15 is: 6,811.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.90 : 12,596.47 = 4,936.15 : x
  2. Step 2: Convert to fraction form
    9,127.90/12,596.47 = 4,936.15/x
  3. Step 3: Cross multiply
    9,127.90x = 12,596.47 × 4,936.15
  4. Step 4: Simplify right side
    9,127.90x = 62,178,065.39
  5. Step 5: Solve for x
    x = 62,178,065.39/9,127.90
  6. Step 6: Final answer
    x = 6,811.87

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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.