Home / 9,900.80-14,847.36-4,056.32

Finding the Fourth Proportional to 9,900.80, 14,847.36 and 4,056.32

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Solution

The fourth proportional to 9,900.80, 14,847.36 and 4,056.32 is: 6,082.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,900.80 : 14,847.36 = 4,056.32 : x
  2. Step 2: Convert to fraction form
    9,900.80/14,847.36 = 4,056.32/x
  3. Step 3: Cross multiply
    9,900.80x = 14,847.36 × 4,056.32
  4. Step 4: Simplify right side
    9,900.80x = 60,225,643.32
  5. Step 5: Solve for x
    x = 60,225,643.32/9,900.80
  6. Step 6: Final answer
    x = 6,082.91

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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.