Home / 12,291.04-16,956.84-6,912.28

Finding the Fourth Proportional to 12,291.04, 16,956.84 and 6,912.28

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Solution

The fourth proportional to 12,291.04, 16,956.84 and 6,912.28 is: 9,536.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291.04 : 16,956.84 = 6,912.28 : x
  2. Step 2: Convert to fraction form
    12,291.04/16,956.84 = 6,912.28/x
  3. Step 3: Cross multiply
    12,291.04x = 16,956.84 × 6,912.28
  4. Step 4: Simplify right side
    12,291.04x = 117,210,426.00
  5. Step 5: Solve for x
    x = 117,210,426.00/12,291.04
  6. Step 6: Final answer
    x = 9,536.25

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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.