Home / 12,558.12-17,331.74-7,252.93

Finding the Fourth Proportional to 12,558.12, 17,331.74 and 7,252.93

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Solution

The fourth proportional to 12,558.12, 17,331.74 and 7,252.93 is: 10,009.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.12 : 17,331.74 = 7,252.93 : x
  2. Step 2: Convert to fraction form
    12,558.12/17,331.74 = 7,252.93/x
  3. Step 3: Cross multiply
    12,558.12x = 17,331.74 × 7,252.93
  4. Step 4: Simplify right side
    12,558.12x = 125,705,897.00
  5. Step 5: Solve for x
    x = 125,705,897.00/12,558.12
  6. Step 6: Final answer
    x = 10,009.93

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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.