Home / 12,302.51-16,977.36-6,997.32

Finding the Fourth Proportional to 12,302.51, 16,977.36 and 6,997.32

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Solution

The fourth proportional to 12,302.51, 16,977.36 and 6,997.32 is: 9,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.51 : 16,977.36 = 6,997.32 : x
  2. Step 2: Convert to fraction form
    12,302.51/16,977.36 = 6,997.32/x
  3. Step 3: Cross multiply
    12,302.51x = 16,977.36 × 6,997.32
  4. Step 4: Simplify right side
    12,302.51x = 118,796,020.68
  5. Step 5: Solve for x
    x = 118,796,020.68/12,302.51
  6. Step 6: Final answer
    x = 9,656.25

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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.