Home / 11,457.51-17,190.63-5,907.31

Finding the Fourth Proportional to 11,457.51, 17,190.63 and 5,907.31

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Solution

The fourth proportional to 11,457.51, 17,190.63 and 5,907.31 is: 8,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,457.51 : 17,190.63 = 5,907.31 : x
  2. Step 2: Convert to fraction form
    11,457.51/17,190.63 = 5,907.31/x
  3. Step 3: Cross multiply
    11,457.51x = 17,190.63 × 5,907.31
  4. Step 4: Simplify right side
    11,457.51x = 101,550,434.23
  5. Step 5: Solve for x
    x = 101,550,434.23/11,457.51
  6. Step 6: Final answer
    x = 8,863.22

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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.