Home / 12,362.87-18,547.34-3,597.86

Finding the Fourth Proportional to 12,362.87, 18,547.34 and 3,597.86

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Solution

The fourth proportional to 12,362.87, 18,547.34 and 3,597.86 is: 5,397.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362.87 : 18,547.34 = 3,597.86 : x
  2. Step 2: Convert to fraction form
    12,362.87/18,547.34 = 3,597.86/x
  3. Step 3: Cross multiply
    12,362.87x = 18,547.34 × 3,597.86
  4. Step 4: Simplify right side
    12,362.87x = 66,730,621.97
  5. Step 5: Solve for x
    x = 66,730,621.97/12,362.87
  6. Step 6: Final answer
    x = 5,397.67

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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.