Home / 11,973.60-16,518.42-7,255.26

Finding the Fourth Proportional to 11,973.60, 16,518.42 and 7,255.26

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Solution

The fourth proportional to 11,973.60, 16,518.42 and 7,255.26 is: 10,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,973.60 : 16,518.42 = 7,255.26 : x
  2. Step 2: Convert to fraction form
    11,973.60/16,518.42 = 7,255.26/x
  3. Step 3: Cross multiply
    11,973.60x = 16,518.42 × 7,255.26
  4. Step 4: Simplify right side
    11,973.60x = 119,845,431.89
  5. Step 5: Solve for x
    x = 119,845,431.89/11,973.60
  6. Step 6: Final answer
    x = 10,009.14

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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.