Home / 11,219.76-15,482.37-6,504.34

Finding the Fourth Proportional to 11,219.76, 15,482.37 and 6,504.34

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Solution

The fourth proportional to 11,219.76, 15,482.37 and 6,504.34 is: 8,975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.76 : 15,482.37 = 6,504.34 : x
  2. Step 2: Convert to fraction form
    11,219.76/15,482.37 = 6,504.34/x
  3. Step 3: Cross multiply
    11,219.76x = 15,482.37 × 6,504.34
  4. Step 4: Simplify right side
    11,219.76x = 100,702,598.49
  5. Step 5: Solve for x
    x = 100,702,598.49/11,219.76
  6. Step 6: Final answer
    x = 8,975.47

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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.