Home / 12,765.51-19,156.77-6,192.18

Finding the Fourth Proportional to 12,765.51, 19,156.77 and 6,192.18

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Solution

The fourth proportional to 12,765.51, 19,156.77 and 6,192.18 is: 9,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765.51 : 19,156.77 = 6,192.18 : x
  2. Step 2: Convert to fraction form
    12,765.51/19,156.77 = 6,192.18/x
  3. Step 3: Cross multiply
    12,765.51x = 19,156.77 × 6,192.18
  4. Step 4: Simplify right side
    12,765.51x = 118,622,168.06
  5. Step 5: Solve for x
    x = 118,622,168.06/12,765.51
  6. Step 6: Final answer
    x = 9,292.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.