Home / 17,172.95-25,756.37-7,810.77

Finding the Fourth Proportional to 17,172.95, 25,756.37 and 7,810.77

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Solution

The fourth proportional to 17,172.95, 25,756.37 and 7,810.77 is: 11,714.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.95 : 25,756.37 = 7,810.77 : x
  2. Step 2: Convert to fraction form
    17,172.95/25,756.37 = 7,810.77/x
  3. Step 3: Cross multiply
    17,172.95x = 25,756.37 × 7,810.77
  4. Step 4: Simplify right side
    17,172.95x = 201,177,043.05
  5. Step 5: Solve for x
    x = 201,177,043.05/17,172.95
  6. Step 6: Final answer
    x = 11,714.77

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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.