Home / 13,094.18-18,070.05-7,125.89

Finding the Fourth Proportional to 13,094.18, 18,070.05 and 7,125.89

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Solution

The fourth proportional to 13,094.18, 18,070.05 and 7,125.89 is: 9,833.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094.18 : 18,070.05 = 7,125.89 : x
  2. Step 2: Convert to fraction form
    13,094.18/18,070.05 = 7,125.89/x
  3. Step 3: Cross multiply
    13,094.18x = 18,070.05 × 7,125.89
  4. Step 4: Simplify right side
    13,094.18x = 128,765,098.24
  5. Step 5: Solve for x
    x = 128,765,098.24/13,094.18
  6. Step 6: Final answer
    x = 9,833.77

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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.