Home / 12,923.37-17,829.59-7,331.13

Finding the Fourth Proportional to 12,923.37, 17,829.59 and 7,331.13

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Solution

The fourth proportional to 12,923.37, 17,829.59 and 7,331.13 is: 10,114.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923.37 : 17,829.59 = 7,331.13 : x
  2. Step 2: Convert to fraction form
    12,923.37/17,829.59 = 7,331.13/x
  3. Step 3: Cross multiply
    12,923.37x = 17,829.59 × 7,331.13
  4. Step 4: Simplify right side
    12,923.37x = 130,711,005.48
  5. Step 5: Solve for x
    x = 130,711,005.48/12,923.37
  6. Step 6: Final answer
    x = 10,114.31

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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.