Home / 9,955.06-13,737.28-5,921.67

Finding the Fourth Proportional to 9,955.06, 13,737.28 and 5,921.67

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Solution

The fourth proportional to 9,955.06, 13,737.28 and 5,921.67 is: 8,171.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,955.06 : 13,737.28 = 5,921.67 : x
  2. Step 2: Convert to fraction form
    9,955.06/13,737.28 = 5,921.67/x
  3. Step 3: Cross multiply
    9,955.06x = 13,737.28 × 5,921.67
  4. Step 4: Simplify right side
    9,955.06x = 81,347,609.40
  5. Step 5: Solve for x
    x = 81,347,609.40/9,955.06
  6. Step 6: Final answer
    x = 8,171.48

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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.