Home / 9,896.40-13,653.23-5,916.87

Finding the Fourth Proportional to 9,896.40, 13,653.23 and 5,916.87

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Solution

The fourth proportional to 9,896.40, 13,653.23 and 5,916.87 is: 8,163.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,896.40 : 13,653.23 = 5,916.87 : x
  2. Step 2: Convert to fraction form
    9,896.40/13,653.23 = 5,916.87/x
  3. Step 3: Cross multiply
    9,896.40x = 13,653.23 × 5,916.87
  4. Step 4: Simplify right side
    9,896.40x = 80,784,357.41
  5. Step 5: Solve for x
    x = 80,784,357.41/9,896.40
  6. Step 6: Final answer
    x = 8,163.00

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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.