Home / 12,075.24-16,664.26-7,038.65

Finding the Fourth Proportional to 12,075.24, 16,664.26 and 7,038.65

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Solution

The fourth proportional to 12,075.24, 16,664.26 and 7,038.65 is: 9,713.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.24 : 16,664.26 = 7,038.65 : x
  2. Step 2: Convert to fraction form
    12,075.24/16,664.26 = 7,038.65/x
  3. Step 3: Cross multiply
    12,075.24x = 16,664.26 × 7,038.65
  4. Step 4: Simplify right side
    12,075.24x = 117,293,893.65
  5. Step 5: Solve for x
    x = 117,293,893.65/12,075.24
  6. Step 6: Final answer
    x = 9,713.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.