Home / 10,455.12-14,429.52-6,477.36

Finding the Fourth Proportional to 10,455.12, 14,429.52 and 6,477.36

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Solution

The fourth proportional to 10,455.12, 14,429.52 and 6,477.36 is: 8,939.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.12 : 14,429.52 = 6,477.36 : x
  2. Step 2: Convert to fraction form
    10,455.12/14,429.52 = 6,477.36/x
  3. Step 3: Cross multiply
    10,455.12x = 14,429.52 × 6,477.36
  4. Step 4: Simplify right side
    10,455.12x = 93,465,195.67
  5. Step 5: Solve for x
    x = 93,465,195.67/10,455.12
  6. Step 6: Final answer
    x = 8,939.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.