Home / 13,093.31-18,068.48-7,125.00

Finding the Fourth Proportional to 13,093.31, 18,068.48 and 7,125.00

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Solution

The fourth proportional to 13,093.31, 18,068.48 and 7,125.00 is: 9,832.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,093.31 : 18,068.48 = 7,125.00 : x
  2. Step 2: Convert to fraction form
    13,093.31/18,068.48 = 7,125.00/x
  3. Step 3: Cross multiply
    13,093.31x = 18,068.48 × 7,125.00
  4. Step 4: Simplify right side
    13,093.31x = 128,737,794.03
  5. Step 5: Solve for x
    x = 128,737,794.03/13,093.31
  6. Step 6: Final answer
    x = 9,832.33

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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.