Home / 12,124.16-16,688.64-10,844.84

Finding the Fourth Proportional to 12,124.16, 16,688.64 and 10,844.84

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Solution

The fourth proportional to 12,124.16, 16,688.64 and 10,844.84 is: 14,927.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124.16 : 16,688.64 = 10,844.84 : x
  2. Step 2: Convert to fraction form
    12,124.16/16,688.64 = 10,844.84/x
  3. Step 3: Cross multiply
    12,124.16x = 16,688.64 × 10,844.84
  4. Step 4: Simplify right side
    12,124.16x = 180,985,630.62
  5. Step 5: Solve for x
    x = 180,985,630.62/12,124.16
  6. Step 6: Final answer
    x = 14,927.68

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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.