Home / 12,637.37-17,435.43-7,330.25

Finding the Fourth Proportional to 12,637.37, 17,435.43 and 7,330.25

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Solution

The fourth proportional to 12,637.37, 17,435.43 and 7,330.25 is: 10,113.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.37 : 17,435.43 = 7,330.25 : x
  2. Step 2: Convert to fraction form
    12,637.37/17,435.43 = 7,330.25/x
  3. Step 3: Cross multiply
    12,637.37x = 17,435.43 × 7,330.25
  4. Step 4: Simplify right side
    12,637.37x = 127,805,973.58
  5. Step 5: Solve for x
    x = 127,805,973.58/12,637.37
  6. Step 6: Final answer
    x = 10,113.34

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Double scale
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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.