Home / 7,075.96-10,603.88-5,212.42

Finding the Fourth Proportional to 7,075.96, 10,603.88 and 5,212.42

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Solution

The fourth proportional to 7,075.96, 10,603.88 and 5,212.42 is: 7,811.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.96 : 10,603.88 = 5,212.42 : x
  2. Step 2: Convert to fraction form
    7,075.96/10,603.88 = 5,212.42/x
  3. Step 3: Cross multiply
    7,075.96x = 10,603.88 × 5,212.42
  4. Step 4: Simplify right side
    7,075.96x = 55,271,876.19
  5. Step 5: Solve for x
    x = 55,271,876.19/7,075.96
  6. Step 6: Final answer
    x = 7,811.22

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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.