Home / 12,317.10-16,998.15-7,013.04

Finding the Fourth Proportional to 12,317.10, 16,998.15 and 7,013.04

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Solution

The fourth proportional to 12,317.10, 16,998.15 and 7,013.04 is: 9,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.10 : 16,998.15 = 7,013.04 : x
  2. Step 2: Convert to fraction form
    12,317.10/16,998.15 = 7,013.04/x
  3. Step 3: Cross multiply
    12,317.10x = 16,998.15 × 7,013.04
  4. Step 4: Simplify right side
    12,317.10x = 119,208,705.88
  5. Step 5: Solve for x
    x = 119,208,705.88/12,317.10
  6. Step 6: Final answer
    x = 9,678.31

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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.