Home / 10,440.51-15,652.52-5,177.33

Finding the Fourth Proportional to 10,440.51, 15,652.52 and 5,177.33

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Solution

The fourth proportional to 10,440.51, 15,652.52 and 5,177.33 is: 7,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.51 : 15,652.52 = 5,177.33 : x
  2. Step 2: Convert to fraction form
    10,440.51/15,652.52 = 5,177.33/x
  3. Step 3: Cross multiply
    10,440.51x = 15,652.52 × 5,177.33
  4. Step 4: Simplify right side
    10,440.51x = 81,038,261.37
  5. Step 5: Solve for x
    x = 81,038,261.37/10,440.51
  6. Step 6: Final answer
    x = 7,761.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.