Home / 12,253.44-16,868.34-11,070.84

Finding the Fourth Proportional to 12,253.44, 16,868.34 and 11,070.84

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Solution

The fourth proportional to 12,253.44, 16,868.34 and 11,070.84 is: 15,240.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.44 : 16,868.34 = 11,070.84 : x
  2. Step 2: Convert to fraction form
    12,253.44/16,868.34 = 11,070.84/x
  3. Step 3: Cross multiply
    12,253.44x = 16,868.34 × 11,070.84
  4. Step 4: Simplify right side
    12,253.44x = 186,746,693.21
  5. Step 5: Solve for x
    x = 186,746,693.21/12,253.44
  6. Step 6: Final answer
    x = 15,240.35

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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.