Home / 12,303.77-16,977.68-6,925.55

Finding the Fourth Proportional to 12,303.77, 16,977.68 and 6,925.55

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Solution

The fourth proportional to 12,303.77, 16,977.68 and 6,925.55 is: 9,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.77 : 16,977.68 = 6,925.55 : x
  2. Step 2: Convert to fraction form
    12,303.77/16,977.68 = 6,925.55/x
  3. Step 3: Cross multiply
    12,303.77x = 16,977.68 × 6,925.55
  4. Step 4: Simplify right side
    12,303.77x = 117,579,694.65
  5. Step 5: Solve for x
    x = 117,579,694.65/12,303.77
  6. Step 6: Final answer
    x = 9,556.40

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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.