Home / 35,815.08-53,722.86-10,857.06

Finding the Fourth Proportional to 35,815.08, 53,722.86 and 10,857.06

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Solution

The fourth proportional to 35,815.08, 53,722.86 and 10,857.06 is: 16,285.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,815.08 : 53,722.86 = 10,857.06 : x
  2. Step 2: Convert to fraction form
    35,815.08/53,722.86 = 10,857.06/x
  3. Step 3: Cross multiply
    35,815.08x = 53,722.86 × 10,857.06
  4. Step 4: Simplify right side
    35,815.08x = 583,272,314.39
  5. Step 5: Solve for x
    x = 583,272,314.39/35,815.08
  6. Step 6: Final answer
    x = 16,285.66

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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.