Home / 12,313.96-16,999.38-7,600.84

Finding the Fourth Proportional to 12,313.96, 16,999.38 and 7,600.84

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Solution

The fourth proportional to 12,313.96, 16,999.38 and 7,600.84 is: 10,492.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313.96 : 16,999.38 = 7,600.84 : x
  2. Step 2: Convert to fraction form
    12,313.96/16,999.38 = 7,600.84/x
  3. Step 3: Cross multiply
    12,313.96x = 16,999.38 × 7,600.84
  4. Step 4: Simplify right side
    12,313.96x = 129,209,567.48
  5. Step 5: Solve for x
    x = 129,209,567.48/12,313.96
  6. Step 6: Final answer
    x = 10,492.93

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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.