Home / 12,983.24-17,916.86-7,014.89

Finding the Fourth Proportional to 12,983.24, 17,916.86 and 7,014.89

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Solution

The fourth proportional to 12,983.24, 17,916.86 and 7,014.89 is: 9,680.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983.24 : 17,916.86 = 7,014.89 : x
  2. Step 2: Convert to fraction form
    12,983.24/17,916.86 = 7,014.89/x
  3. Step 3: Cross multiply
    12,983.24x = 17,916.86 × 7,014.89
  4. Step 4: Simplify right side
    12,983.24x = 125,684,802.05
  5. Step 5: Solve for x
    x = 125,684,802.05/12,983.24
  6. Step 6: Final answer
    x = 9,680.54

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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.