Home / 10,953.99-16,440.75-5,113.89

Finding the Fourth Proportional to 10,953.99, 16,440.75 and 5,113.89

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Solution

The fourth proportional to 10,953.99, 16,440.75 and 5,113.89 is: 7,675.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.99 : 16,440.75 = 5,113.89 : x
  2. Step 2: Convert to fraction form
    10,953.99/16,440.75 = 5,113.89/x
  3. Step 3: Cross multiply
    10,953.99x = 16,440.75 × 5,113.89
  4. Step 4: Simplify right side
    10,953.99x = 84,076,187.02
  5. Step 5: Solve for x
    x = 84,076,187.02/10,953.99
  6. Step 6: Final answer
    x = 7,675.39

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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.