Home / 12,262.95-16,921.53-6,957.81

Finding the Fourth Proportional to 12,262.95, 16,921.53 and 6,957.81

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Solution

The fourth proportional to 12,262.95, 16,921.53 and 6,957.81 is: 9,601.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.95 : 16,921.53 = 6,957.81 : x
  2. Step 2: Convert to fraction form
    12,262.95/16,921.53 = 6,957.81/x
  3. Step 3: Cross multiply
    12,262.95x = 16,921.53 × 6,957.81
  4. Step 4: Simplify right side
    12,262.95x = 117,736,790.65
  5. Step 5: Solve for x
    x = 117,736,790.65/12,262.95
  6. Step 6: Final answer
    x = 9,601.02

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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.