Home / 12,724.02-17,558.26-7,346.67

Finding the Fourth Proportional to 12,724.02, 17,558.26 and 7,346.67

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Solution

The fourth proportional to 12,724.02, 17,558.26 and 7,346.67 is: 10,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.02 : 17,558.26 = 7,346.67 : x
  2. Step 2: Convert to fraction form
    12,724.02/17,558.26 = 7,346.67/x
  3. Step 3: Cross multiply
    12,724.02x = 17,558.26 × 7,346.67
  4. Step 4: Simplify right side
    12,724.02x = 128,994,741.99
  5. Step 5: Solve for x
    x = 128,994,741.99/12,724.02
  6. Step 6: Final answer
    x = 10,137.89

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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.