Home / 13,160.93-18,156.25-7,852.66

Finding the Fourth Proportional to 13,160.93, 18,156.25 and 7,852.66

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Solution

The fourth proportional to 13,160.93, 18,156.25 and 7,852.66 is: 10,833.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.93 : 18,156.25 = 7,852.66 : x
  2. Step 2: Convert to fraction form
    13,160.93/18,156.25 = 7,852.66/x
  3. Step 3: Cross multiply
    13,160.93x = 18,156.25 × 7,852.66
  4. Step 4: Simplify right side
    13,160.93x = 142,574,858.13
  5. Step 5: Solve for x
    x = 142,574,858.13/13,160.93
  6. Step 6: Final answer
    x = 10,833.19

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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.