Home / 13,282.02-18,328.77-7,313.67

Finding the Fourth Proportional to 13,282.02, 18,328.77 and 7,313.67

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Solution

The fourth proportional to 13,282.02, 18,328.77 and 7,313.67 is: 10,092.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.02 : 18,328.77 = 7,313.67 : x
  2. Step 2: Convert to fraction form
    13,282.02/18,328.77 = 7,313.67/x
  3. Step 3: Cross multiply
    13,282.02x = 18,328.77 × 7,313.67
  4. Step 4: Simplify right side
    13,282.02x = 134,050,575.29
  5. Step 5: Solve for x
    x = 134,050,575.29/13,282.02
  6. Step 6: Final answer
    x = 10,092.63

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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.