Home / 13,051.46-18,011.15-7,083.18

Finding the Fourth Proportional to 13,051.46, 18,011.15 and 7,083.18

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Solution

The fourth proportional to 13,051.46, 18,011.15 and 7,083.18 is: 9,774.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.46 : 18,011.15 = 7,083.18 : x
  2. Step 2: Convert to fraction form
    13,051.46/18,011.15 = 7,083.18/x
  3. Step 3: Cross multiply
    13,051.46x = 18,011.15 × 7,083.18
  4. Step 4: Simplify right side
    13,051.46x = 127,576,182.04
  5. Step 5: Solve for x
    x = 127,576,182.04/13,051.46
  6. Step 6: Final answer
    x = 9,774.86

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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.