Home / 12,075.06-18,113.20-4,284.48

Finding the Fourth Proportional to 12,075.06, 18,113.20 and 4,284.48

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Solution

The fourth proportional to 12,075.06, 18,113.20 and 4,284.48 is: 6,426.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.06 : 18,113.20 = 4,284.48 : x
  2. Step 2: Convert to fraction form
    12,075.06/18,113.20 = 4,284.48/x
  3. Step 3: Cross multiply
    12,075.06x = 18,113.20 × 4,284.48
  4. Step 4: Simplify right side
    12,075.06x = 77,605,643.14
  5. Step 5: Solve for x
    x = 77,605,643.14/12,075.06
  6. Step 6: Final answer
    x = 6,426.94

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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.