Home / 9,867.35-13,614.70-5,887.69

Finding the Fourth Proportional to 9,867.35, 13,614.70 and 5,887.69

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Solution

The fourth proportional to 9,867.35, 13,614.70 and 5,887.69 is: 8,123.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.35 : 13,614.70 = 5,887.69 : x
  2. Step 2: Convert to fraction form
    9,867.35/13,614.70 = 5,887.69/x
  3. Step 3: Cross multiply
    9,867.35x = 13,614.70 × 5,887.69
  4. Step 4: Simplify right side
    9,867.35x = 80,159,133.04
  5. Step 5: Solve for x
    x = 80,159,133.04/9,867.35
  6. Step 6: Final answer
    x = 8,123.67

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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.