Home / 10,186.84-15,180.23-9,852.40

Finding the Fourth Proportional to 10,186.84, 15,180.23 and 9,852.40

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Solution

The fourth proportional to 10,186.84, 15,180.23 and 9,852.40 is: 14,681.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.84 : 15,180.23 = 9,852.40 : x
  2. Step 2: Convert to fraction form
    10,186.84/15,180.23 = 9,852.40/x
  3. Step 3: Cross multiply
    10,186.84x = 15,180.23 × 9,852.40
  4. Step 4: Simplify right side
    10,186.84x = 149,561,698.05
  5. Step 5: Solve for x
    x = 149,561,698.05/10,186.84
  6. Step 6: Final answer
    x = 14,681.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.