Home / 11,287.55-15,573.44-7,302.35

Finding the Fourth Proportional to 11,287.55, 15,573.44 and 7,302.35

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Solution

The fourth proportional to 11,287.55, 15,573.44 and 7,302.35 is: 10,075.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.55 : 15,573.44 = 7,302.35 : x
  2. Step 2: Convert to fraction form
    11,287.55/15,573.44 = 7,302.35/x
  3. Step 3: Cross multiply
    11,287.55x = 15,573.44 × 7,302.35
  4. Step 4: Simplify right side
    11,287.55x = 113,722,649.97
  5. Step 5: Solve for x
    x = 113,722,649.97/11,287.55
  6. Step 6: Final answer
    x = 10,075.06

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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.