Home / 9,055.12-13,546.32-7,835.80

Finding the Fourth Proportional to 9,055.12, 13,546.32 and 7,835.80

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Solution

The fourth proportional to 9,055.12, 13,546.32 and 7,835.80 is: 11,722.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.12 : 13,546.32 = 7,835.80 : x
  2. Step 2: Convert to fraction form
    9,055.12/13,546.32 = 7,835.80/x
  3. Step 3: Cross multiply
    9,055.12x = 13,546.32 × 7,835.80
  4. Step 4: Simplify right side
    9,055.12x = 106,146,254.26
  5. Step 5: Solve for x
    x = 106,146,254.26/9,055.12
  6. Step 6: Final answer
    x = 11,722.24

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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.