Home / 13,160.03-19,740.18-7,610.00

Finding the Fourth Proportional to 13,160.03, 19,740.18 and 7,610.00

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Solution

The fourth proportional to 13,160.03, 19,740.18 and 7,610.00 is: 11,415.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.03 : 19,740.18 = 7,610.00 : x
  2. Step 2: Convert to fraction form
    13,160.03/19,740.18 = 7,610.00/x
  3. Step 3: Cross multiply
    13,160.03x = 19,740.18 × 7,610.00
  4. Step 4: Simplify right side
    13,160.03x = 150,222,671.10
  5. Step 5: Solve for x
    x = 150,222,671.10/13,160.03
  6. Step 6: Final answer
    x = 11,415.07

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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.