Home / 9,480.13-13,079.96-6,123.09

Finding the Fourth Proportional to 9,480.13, 13,079.96 and 6,123.09

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Solution

The fourth proportional to 9,480.13, 13,079.96 and 6,123.09 is: 8,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480.13 : 13,079.96 = 6,123.09 : x
  2. Step 2: Convert to fraction form
    9,480.13/13,079.96 = 6,123.09/x
  3. Step 3: Cross multiply
    9,480.13x = 13,079.96 × 6,123.09
  4. Step 4: Simplify right side
    9,480.13x = 80,089,676.26
  5. Step 5: Solve for x
    x = 80,089,676.26/9,480.13
  6. Step 6: Final answer
    x = 8,448.16

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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.