Home / 9,990.35-14,962.17-7,896.30

Finding the Fourth Proportional to 9,990.35, 14,962.17 and 7,896.30

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Solution

The fourth proportional to 9,990.35, 14,962.17 and 7,896.30 is: 11,826.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990.35 : 14,962.17 = 7,896.30 : x
  2. Step 2: Convert to fraction form
    9,990.35/14,962.17 = 7,896.30/x
  3. Step 3: Cross multiply
    9,990.35x = 14,962.17 × 7,896.30
  4. Step 4: Simplify right side
    9,990.35x = 118,145,782.97
  5. Step 5: Solve for x
    x = 118,145,782.97/9,990.35
  6. Step 6: Final answer
    x = 11,826.00

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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.