Home / 12,389.46-17,096.40-7,083.24

Finding the Fourth Proportional to 12,389.46, 17,096.40 and 7,083.24

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Solution

The fourth proportional to 12,389.46, 17,096.40 and 7,083.24 is: 9,774.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,389.46 : 17,096.40 = 7,083.24 : x
  2. Step 2: Convert to fraction form
    12,389.46/17,096.40 = 7,083.24/x
  3. Step 3: Cross multiply
    12,389.46x = 17,096.40 × 7,083.24
  4. Step 4: Simplify right side
    12,389.46x = 121,097,904.34
  5. Step 5: Solve for x
    x = 121,097,904.34/12,389.46
  6. Step 6: Final answer
    x = 9,774.27

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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.