Home / 9,078.55-13,598.68-4,152.34

Finding the Fourth Proportional to 9,078.55, 13,598.68 and 4,152.34

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Solution

The fourth proportional to 9,078.55, 13,598.68 and 4,152.34 is: 6,219.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.55 : 13,598.68 = 4,152.34 : x
  2. Step 2: Convert to fraction form
    9,078.55/13,598.68 = 4,152.34/x
  3. Step 3: Cross multiply
    9,078.55x = 13,598.68 × 4,152.34
  4. Step 4: Simplify right side
    9,078.55x = 56,466,342.91
  5. Step 5: Solve for x
    x = 56,466,342.91/9,078.55
  6. Step 6: Final answer
    x = 6,219.75

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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.