Home / 8,075.79-11,143.92-4,538.34

Finding the Fourth Proportional to 8,075.79, 11,143.92 and 4,538.34

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Solution

The fourth proportional to 8,075.79, 11,143.92 and 4,538.34 is: 6,262.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.79 : 11,143.92 = 4,538.34 : x
  2. Step 2: Convert to fraction form
    8,075.79/11,143.92 = 4,538.34/x
  3. Step 3: Cross multiply
    8,075.79x = 11,143.92 × 4,538.34
  4. Step 4: Simplify right side
    8,075.79x = 50,574,897.89
  5. Step 5: Solve for x
    x = 50,574,897.89/8,075.79
  6. Step 6: Final answer
    x = 6,262.53

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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.