Home / 11,925.48-16,457.73-6,890.37

Finding the Fourth Proportional to 11,925.48, 16,457.73 and 6,890.37

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Solution

The fourth proportional to 11,925.48, 16,457.73 and 6,890.37 is: 9,509.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.48 : 16,457.73 = 6,890.37 : x
  2. Step 2: Convert to fraction form
    11,925.48/16,457.73 = 6,890.37/x
  3. Step 3: Cross multiply
    11,925.48x = 16,457.73 × 6,890.37
  4. Step 4: Simplify right side
    11,925.48x = 113,399,766.77
  5. Step 5: Solve for x
    x = 113,399,766.77/11,925.48
  6. Step 6: Final answer
    x = 9,509.03

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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.