Home / 9,782.15-13,495.69-7,236.01

Finding the Fourth Proportional to 9,782.15, 13,495.69 and 7,236.01

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Solution

The fourth proportional to 9,782.15, 13,495.69 and 7,236.01 is: 9,982.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,782.15 : 13,495.69 = 7,236.01 : x
  2. Step 2: Convert to fraction form
    9,782.15/13,495.69 = 7,236.01/x
  3. Step 3: Cross multiply
    9,782.15x = 13,495.69 × 7,236.01
  4. Step 4: Simplify right side
    9,782.15x = 97,654,923.10
  5. Step 5: Solve for x
    x = 97,654,923.10/9,782.15
  6. Step 6: Final answer
    x = 9,982.97

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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.