Home / 10,925.49-16,384.08-3,904.21

Finding the Fourth Proportional to 10,925.49, 16,384.08 and 3,904.21

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Solution

The fourth proportional to 10,925.49, 16,384.08 and 3,904.21 is: 5,854.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.49 : 16,384.08 = 3,904.21 : x
  2. Step 2: Convert to fraction form
    10,925.49/16,384.08 = 3,904.21/x
  3. Step 3: Cross multiply
    10,925.49x = 16,384.08 × 3,904.21
  4. Step 4: Simplify right side
    10,925.49x = 63,966,888.98
  5. Step 5: Solve for x
    x = 63,966,888.98/10,925.49
  6. Step 6: Final answer
    x = 5,854.83

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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.