Home / 10,240.06-14,128.45-5,763.55

Finding the Fourth Proportional to 10,240.06, 14,128.45 and 5,763.55

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Solution

The fourth proportional to 10,240.06, 14,128.45 and 5,763.55 is: 7,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.06 : 14,128.45 = 5,763.55 : x
  2. Step 2: Convert to fraction form
    10,240.06/14,128.45 = 5,763.55/x
  3. Step 3: Cross multiply
    10,240.06x = 14,128.45 × 5,763.55
  4. Step 4: Simplify right side
    10,240.06x = 81,430,028.00
  5. Step 5: Solve for x
    x = 81,430,028.00/10,240.06
  6. Step 6: Final answer
    x = 7,952.10

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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.