Home / 12,051.25-18,075.66-5,475.67

Finding the Fourth Proportional to 12,051.25, 18,075.66 and 5,475.67

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Solution

The fourth proportional to 12,051.25, 18,075.66 and 5,475.67 is: 8,212.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.25 : 18,075.66 = 5,475.67 : x
  2. Step 2: Convert to fraction form
    12,051.25/18,075.66 = 5,475.67/x
  3. Step 3: Cross multiply
    12,051.25x = 18,075.66 × 5,475.67
  4. Step 4: Simplify right side
    12,051.25x = 98,976,349.19
  5. Step 5: Solve for x
    x = 98,976,349.19/12,051.25
  6. Step 6: Final answer
    x = 8,212.95

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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.