Home / 7,968.63-11,955.38-4,075.77

Finding the Fourth Proportional to 7,968.63, 11,955.38 and 4,075.77

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Solution

The fourth proportional to 7,968.63, 11,955.38 and 4,075.77 is: 6,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.63 : 11,955.38 = 4,075.77 : x
  2. Step 2: Convert to fraction form
    7,968.63/11,955.38 = 4,075.77/x
  3. Step 3: Cross multiply
    7,968.63x = 11,955.38 × 4,075.77
  4. Step 4: Simplify right side
    7,968.63x = 48,727,358.76
  5. Step 5: Solve for x
    x = 48,727,358.76/7,968.63
  6. Step 6: Final answer
    x = 6,114.90

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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.