Home / 12,335.55-18,501.30-5,313.66

Finding the Fourth Proportional to 12,335.55, 18,501.30 and 5,313.66

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Solution

The fourth proportional to 12,335.55, 18,501.30 and 5,313.66 is: 7,969.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.55 : 18,501.30 = 5,313.66 : x
  2. Step 2: Convert to fraction form
    12,335.55/18,501.30 = 5,313.66/x
  3. Step 3: Cross multiply
    12,335.55x = 18,501.30 × 5,313.66
  4. Step 4: Simplify right side
    12,335.55x = 98,309,617.76
  5. Step 5: Solve for x
    x = 98,309,617.76/12,335.55
  6. Step 6: Final answer
    x = 7,969.62

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1.5x scale

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.