Home / 12,842.24-19,261.28-4,075.16

Finding the Fourth Proportional to 12,842.24, 19,261.28 and 4,075.16

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Solution

The fourth proportional to 12,842.24, 19,261.28 and 4,075.16 is: 6,112.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842.24 : 19,261.28 = 4,075.16 : x
  2. Step 2: Convert to fraction form
    12,842.24/19,261.28 = 4,075.16/x
  3. Step 3: Cross multiply
    12,842.24x = 19,261.28 × 4,075.16
  4. Step 4: Simplify right side
    12,842.24x = 78,492,797.80
  5. Step 5: Solve for x
    x = 78,492,797.80/12,842.24
  6. Step 6: Final answer
    x = 6,112.08

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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.