Home / 46,189.51-69,284.29-11,129.20

Finding the Fourth Proportional to 46,189.51, 69,284.29 and 11,129.20

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Solution

The fourth proportional to 46,189.51, 69,284.29 and 11,129.20 is: 16,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,189.51 : 69,284.29 = 11,129.20 : x
  2. Step 2: Convert to fraction form
    46,189.51/69,284.29 = 11,129.20/x
  3. Step 3: Cross multiply
    46,189.51x = 69,284.29 × 11,129.20
  4. Step 4: Simplify right side
    46,189.51x = 771,078,720.27
  5. Step 5: Solve for x
    x = 771,078,720.27/46,189.51
  6. Step 6: Final answer
    x = 16,693.81

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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.