Home / 12,457.36-17,192.34-9,308.08

Finding the Fourth Proportional to 12,457.36, 17,192.34 and 9,308.08

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Solution

The fourth proportional to 12,457.36, 17,192.34 and 9,308.08 is: 12,846.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457.36 : 17,192.34 = 9,308.08 : x
  2. Step 2: Convert to fraction form
    12,457.36/17,192.34 = 9,308.08/x
  3. Step 3: Cross multiply
    12,457.36x = 17,192.34 × 9,308.08
  4. Step 4: Simplify right side
    12,457.36x = 160,027,676.11
  5. Step 5: Solve for x
    x = 160,027,676.11/12,457.36
  6. Step 6: Final answer
    x = 12,846.03

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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.