Home / 10,500.09-15,755.13-4,655.94

Finding the Fourth Proportional to 10,500.09, 15,755.13 and 4,655.94

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Solution

The fourth proportional to 10,500.09, 15,755.13 and 4,655.94 is: 6,986.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.09 : 15,755.13 = 4,655.94 : x
  2. Step 2: Convert to fraction form
    10,500.09/15,755.13 = 4,655.94/x
  3. Step 3: Cross multiply
    10,500.09x = 15,755.13 × 4,655.94
  4. Step 4: Simplify right side
    10,500.09x = 73,354,939.97
  5. Step 5: Solve for x
    x = 73,354,939.97/10,500.09
  6. Step 6: Final answer
    x = 6,986.12

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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.