Home / 13,050.99-18,010.35-7,082.64

Finding the Fourth Proportional to 13,050.99, 18,010.35 and 7,082.64

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Solution

The fourth proportional to 13,050.99, 18,010.35 and 7,082.64 is: 9,774.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.99 : 18,010.35 = 7,082.64 : x
  2. Step 2: Convert to fraction form
    13,050.99/18,010.35 = 7,082.64/x
  3. Step 3: Cross multiply
    13,050.99x = 18,010.35 × 7,082.64
  4. Step 4: Simplify right side
    13,050.99x = 127,560,825.32
  5. Step 5: Solve for x
    x = 127,560,825.32/13,050.99
  6. Step 6: Final answer
    x = 9,774.03

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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.