Home / 11,177.46-15,417.81-6,868.67

Finding the Fourth Proportional to 11,177.46, 15,417.81 and 6,868.67

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Solution

The fourth proportional to 11,177.46, 15,417.81 and 6,868.67 is: 9,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.46 : 15,417.81 = 6,868.67 : x
  2. Step 2: Convert to fraction form
    11,177.46/15,417.81 = 6,868.67/x
  3. Step 3: Cross multiply
    11,177.46x = 15,417.81 × 6,868.67
  4. Step 4: Simplify right side
    11,177.46x = 105,899,771.92
  5. Step 5: Solve for x
    x = 105,899,771.92/11,177.46
  6. Step 6: Final answer
    x = 9,474.40

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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.