Home / 9,429.06-13,011.22-5,236.50

Finding the Fourth Proportional to 9,429.06, 13,011.22 and 5,236.50

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Solution

The fourth proportional to 9,429.06, 13,011.22 and 5,236.50 is: 7,225.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.06 : 13,011.22 = 5,236.50 : x
  2. Step 2: Convert to fraction form
    9,429.06/13,011.22 = 5,236.50/x
  3. Step 3: Cross multiply
    9,429.06x = 13,011.22 × 5,236.50
  4. Step 4: Simplify right side
    9,429.06x = 68,133,253.53
  5. Step 5: Solve for x
    x = 68,133,253.53/9,429.06
  6. Step 6: Final answer
    x = 7,225.88

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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.