Home / 13,160.54-18,153.05-7,851.26

Finding the Fourth Proportional to 13,160.54, 18,153.05 and 7,851.26

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Solution

The fourth proportional to 13,160.54, 18,153.05 and 7,851.26 is: 10,829.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.54 : 18,153.05 = 7,851.26 : x
  2. Step 2: Convert to fraction form
    13,160.54/18,153.05 = 7,851.26/x
  3. Step 3: Cross multiply
    13,160.54x = 18,153.05 × 7,851.26
  4. Step 4: Simplify right side
    13,160.54x = 142,524,315.34
  5. Step 5: Solve for x
    x = 142,524,315.34/13,160.54
  6. Step 6: Final answer
    x = 10,829.67

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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.