Home / 11,433.63-15,743.37-10,009.35

Finding the Fourth Proportional to 11,433.63, 15,743.37 and 10,009.35

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Solution

The fourth proportional to 11,433.63, 15,743.37 and 10,009.35 is: 13,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433.63 : 15,743.37 = 10,009.35 : x
  2. Step 2: Convert to fraction form
    11,433.63/15,743.37 = 10,009.35/x
  3. Step 3: Cross multiply
    11,433.63x = 15,743.37 × 10,009.35
  4. Step 4: Simplify right side
    11,433.63x = 157,580,824.07
  5. Step 5: Solve for x
    x = 157,580,824.07/11,433.63
  6. Step 6: Final answer
    x = 13,782.22

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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.