Home / 11,306.58-15,595.23-7,763.64

Finding the Fourth Proportional to 11,306.58, 15,595.23 and 7,763.64

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Solution

The fourth proportional to 11,306.58, 15,595.23 and 7,763.64 is: 10,708.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.58 : 15,595.23 = 7,763.64 : x
  2. Step 2: Convert to fraction form
    11,306.58/15,595.23 = 7,763.64/x
  3. Step 3: Cross multiply
    11,306.58x = 15,595.23 × 7,763.64
  4. Step 4: Simplify right side
    11,306.58x = 121,075,751.44
  5. Step 5: Solve for x
    x = 121,075,751.44/11,306.58
  6. Step 6: Final answer
    x = 10,708.43

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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.