Home / 11,315.56-16,967.84-5,075.32

Finding the Fourth Proportional to 11,315.56, 16,967.84 and 5,075.32

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Solution

The fourth proportional to 11,315.56, 16,967.84 and 5,075.32 is: 7,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.56 : 16,967.84 = 5,075.32 : x
  2. Step 2: Convert to fraction form
    11,315.56/16,967.84 = 5,075.32/x
  3. Step 3: Cross multiply
    11,315.56x = 16,967.84 × 5,075.32
  4. Step 4: Simplify right side
    11,315.56x = 86,117,217.71
  5. Step 5: Solve for x
    x = 86,117,217.71/11,315.56
  6. Step 6: Final answer
    x = 7,610.51

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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.