Home / 12,323.01-18,479.02-3,555.84

Finding the Fourth Proportional to 12,323.01, 18,479.02 and 3,555.84

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Solution

The fourth proportional to 12,323.01, 18,479.02 and 3,555.84 is: 5,332.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323.01 : 18,479.02 = 3,555.84 : x
  2. Step 2: Convert to fraction form
    12,323.01/18,479.02 = 3,555.84/x
  3. Step 3: Cross multiply
    12,323.01x = 18,479.02 × 3,555.84
  4. Step 4: Simplify right side
    12,323.01x = 65,708,438.48
  5. Step 5: Solve for x
    x = 65,708,438.48/12,323.01
  6. Step 6: Final answer
    x = 5,332.17

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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.