Home / 7,153.18-10,722.48-6,522.60

Finding the Fourth Proportional to 7,153.18, 10,722.48 and 6,522.60

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Solution

The fourth proportional to 7,153.18, 10,722.48 and 6,522.60 is: 9,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.18 : 10,722.48 = 6,522.60 : x
  2. Step 2: Convert to fraction form
    7,153.18/10,722.48 = 6,522.60/x
  3. Step 3: Cross multiply
    7,153.18x = 10,722.48 × 6,522.60
  4. Step 4: Simplify right side
    7,153.18x = 69,938,448.05
  5. Step 5: Solve for x
    x = 69,938,448.05/7,153.18
  6. Step 6: Final answer
    x = 9,777.25

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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.