Home / 11,674.40-16,116.12-7,485.04

Finding the Fourth Proportional to 11,674.40, 16,116.12 and 7,485.04

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Solution

The fourth proportional to 11,674.40, 16,116.12 and 7,485.04 is: 10,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674.40 : 16,116.12 = 7,485.04 : x
  2. Step 2: Convert to fraction form
    11,674.40/16,116.12 = 7,485.04/x
  3. Step 3: Cross multiply
    11,674.40x = 16,116.12 × 7,485.04
  4. Step 4: Simplify right side
    11,674.40x = 120,629,802.84
  5. Step 5: Solve for x
    x = 120,629,802.84/11,674.40
  6. Step 6: Final answer
    x = 10,332.85

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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.