Home / 7,685.95-11,525.04-3,522.45

Finding the Fourth Proportional to 7,685.95, 11,525.04 and 3,522.45

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Solution

The fourth proportional to 7,685.95, 11,525.04 and 3,522.45 is: 5,281.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.95 : 11,525.04 = 3,522.45 : x
  2. Step 2: Convert to fraction form
    7,685.95/11,525.04 = 3,522.45/x
  3. Step 3: Cross multiply
    7,685.95x = 11,525.04 × 3,522.45
  4. Step 4: Simplify right side
    7,685.95x = 40,596,328.33
  5. Step 5: Solve for x
    x = 40,596,328.33/7,685.95
  6. Step 6: Final answer
    x = 5,281.89

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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.