Home / 9,115.37-13,673.05-7,038.41

Finding the Fourth Proportional to 9,115.37, 13,673.05 and 7,038.41

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Solution

The fourth proportional to 9,115.37, 13,673.05 and 7,038.41 is: 10,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.37 : 13,673.05 = 7,038.41 : x
  2. Step 2: Convert to fraction form
    9,115.37/13,673.05 = 7,038.41/x
  3. Step 3: Cross multiply
    9,115.37x = 13,673.05 × 7,038.41
  4. Step 4: Simplify right side
    9,115.37x = 96,236,445.89
  5. Step 5: Solve for x
    x = 96,236,445.89/9,115.37
  6. Step 6: Final answer
    x = 10,557.60

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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.