Home / 11,259.72-15,537.96-6,543.63

Finding the Fourth Proportional to 11,259.72, 15,537.96 and 6,543.63

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Solution

The fourth proportional to 11,259.72, 15,537.96 and 6,543.63 is: 9,029.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.72 : 15,537.96 = 6,543.63 : x
  2. Step 2: Convert to fraction form
    11,259.72/15,537.96 = 6,543.63/x
  3. Step 3: Cross multiply
    11,259.72x = 15,537.96 × 6,543.63
  4. Step 4: Simplify right side
    11,259.72x = 101,674,661.19
  5. Step 5: Solve for x
    x = 101,674,661.19/11,259.72
  6. Step 6: Final answer
    x = 9,029.95

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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.