Home / 12,313.77-16,993.40-6,724.77

Finding the Fourth Proportional to 12,313.77, 16,993.40 and 6,724.77

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Solution

The fourth proportional to 12,313.77, 16,993.40 and 6,724.77 is: 9,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313.77 : 16,993.40 = 6,724.77 : x
  2. Step 2: Convert to fraction form
    12,313.77/16,993.40 = 6,724.77/x
  3. Step 3: Cross multiply
    12,313.77x = 16,993.40 × 6,724.77
  4. Step 4: Simplify right side
    12,313.77x = 114,276,621.55
  5. Step 5: Solve for x
    x = 114,276,621.55/12,313.77
  6. Step 6: Final answer
    x = 9,280.40

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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.