Home / 7,880.02-10,873.98-4,522.12

Finding the Fourth Proportional to 7,880.02, 10,873.98 and 4,522.12

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Solution

The fourth proportional to 7,880.02, 10,873.98 and 4,522.12 is: 6,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.02 : 10,873.98 = 4,522.12 : x
  2. Step 2: Convert to fraction form
    7,880.02/10,873.98 = 4,522.12/x
  3. Step 3: Cross multiply
    7,880.02x = 10,873.98 × 4,522.12
  4. Step 4: Simplify right side
    7,880.02x = 49,173,442.44
  5. Step 5: Solve for x
    x = 49,173,442.44/7,880.02
  6. Step 6: Final answer
    x = 6,240.27

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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.