Home / 9,288.71-13,923.90-5,947.45

Finding the Fourth Proportional to 9,288.71, 13,923.90 and 5,947.45

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Solution

The fourth proportional to 9,288.71, 13,923.90 and 5,947.45 is: 8,915.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.71 : 13,923.90 = 5,947.45 : x
  2. Step 2: Convert to fraction form
    9,288.71/13,923.90 = 5,947.45/x
  3. Step 3: Cross multiply
    9,288.71x = 13,923.90 × 5,947.45
  4. Step 4: Simplify right side
    9,288.71x = 82,811,703.41
  5. Step 5: Solve for x
    x = 82,811,703.41/9,288.71
  6. Step 6: Final answer
    x = 8,915.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.