Home / 9,033.09-13,617.33-8,430.99

Finding the Fourth Proportional to 9,033.09, 13,617.33 and 8,430.99

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Solution

The fourth proportional to 9,033.09, 13,617.33 and 8,430.99 is: 12,709.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,033.09 : 13,617.33 = 8,430.99 : x
  2. Step 2: Convert to fraction form
    9,033.09/13,617.33 = 8,430.99/x
  3. Step 3: Cross multiply
    9,033.09x = 13,617.33 × 8,430.99
  4. Step 4: Simplify right side
    9,033.09x = 114,807,573.06
  5. Step 5: Solve for x
    x = 114,807,573.06/9,033.09
  6. Step 6: Final answer
    x = 12,709.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.