Home / 12,277.53-18,416.31-4,880.01

Finding the Fourth Proportional to 12,277.53, 18,416.31 and 4,880.01

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Solution

The fourth proportional to 12,277.53, 18,416.31 and 4,880.01 is: 7,320.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.53 : 18,416.31 = 4,880.01 : x
  2. Step 2: Convert to fraction form
    12,277.53/18,416.31 = 4,880.01/x
  3. Step 3: Cross multiply
    12,277.53x = 18,416.31 × 4,880.01
  4. Step 4: Simplify right side
    12,277.53x = 89,871,776.96
  5. Step 5: Solve for x
    x = 89,871,776.96/12,277.53
  6. Step 6: Final answer
    x = 7,320.02

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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.