Home / 30,680.43-46,015.53-8,496.06

Finding the Fourth Proportional to 30,680.43, 46,015.53 and 8,496.06

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Solution

The fourth proportional to 30,680.43, 46,015.53 and 8,496.06 is: 12,742.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680.43 : 46,015.53 = 8,496.06 : x
  2. Step 2: Convert to fraction form
    30,680.43/46,015.53 = 8,496.06/x
  3. Step 3: Cross multiply
    30,680.43x = 46,015.53 × 8,496.06
  4. Step 4: Simplify right side
    30,680.43x = 390,950,703.81
  5. Step 5: Solve for x
    x = 390,950,703.81/30,680.43
  6. Step 6: Final answer
    x = 12,742.67

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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.